回望南山
记忆痕迹可以鲜明, 回望往事如数家珍——
posts - 177,  comments - 54,  trackbacks - 0

 

;;; ************************************************************************
;;; ***;;;
;;; vlex-vlisp.lsp                                  ;;;
;;; assorted visual lisp activex extention functions for autocad 2004
;;;  ;;;
;;; copyright (c)2003 kama whaley, all rights reserved.                  ;;;
;;; some functional code adapted from public sources.                  ;;;
;;; latest modify date : friday 27th december 2003                  ;;;
;;; ************************************************************************
;;; ***;;;
;;; version 2004 1.00 12/2003: initial release (compile to vlx)              ;;;
;;; ************************************************************************
;;; ***;;;
(vl-load-com)
;;; load activex support in visual lisp
;;; ***********************   <   first  session   >
;;; ***********************;;;
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-acadobject ()                              ;;;
;;; description: returns com handle to application object              ;;;
;;; args: none                                      ;;;
;;; example: (vlex-acadobject) returns activex object                  ;;;
;;; ************************************************************************
;;; ***;;;
(setq *acad-object* nil)
;;; initialize global variable
(defun vlex-acadobject ()
  (cond
    (*acad-object*)               ; return the cached object
    (t
      (setq *acad-object* (vlax-get-acad-object))
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-activedocument ()                          ;;;
;;; description: returns active document object from application object
;;;  ;;;
;;; args: none                                      ;;;
;;; example: (vlex-activedocument) returns activex object              ;;;
;;; ************************************************************************
;;; ***;;;
(setq *vlex-activedocument* nil)
;;; initialize global variable
(defun vlex-activedocument ()
  (cond
    (*vlex-activedocument*)           ; return the cached object
    (t
      (setq *vlex-activedocument* (vla-get-activedocument
                              (vlex-acadobject)
                  )
      )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-modelspace ()                              ;;;
;;; description: returns vlex-modelspace collection object of active
;;; document ;;;
;;; args: none                                      ;;;
;;; example: (vlex-modelspace) returns activex object                  ;;;
;;; ************************************************************************
;;; ***;;;
(setq *vlex-modelspace* nil)
;;; initialize global variable
(defun vlex-modelspace ()
  (cond
    (*vlex-modelspace*)               ; return the cached object
    (t
      (setq *vlex-modelspace* (vla-get-modelspace
                          (vlex-activedocument)
                  )
      )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-paperspace                              ;;;
;;; description: returns paper-space collection object of active document
;;;  ;;;
;;; args: none                                      ;;;
;;; example: (vlex-paperspace) returns activex object                  ;;;
;;; ************************************************************************
;;; ***;;;
(setq *vlex-paperspace* nil)
;;; intialize global variable
(defun vlex-paperspace ()
  (cond
    (*vlex-paperspace*)               ; return the cached object
    (t
      (setq *vlex-paperspace* (vla-get-paperspace
                          (vlex-activedocument)
                  )
      )
    )
  )
)
(defun vlex-activespace ()
  (if (= 1 (vlax-get-property (vlex-activedocument) 'activespace))
    (vlex-modelspace)
    (vlex-paperspace)
  )                       ; endif

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-activespace-name ()                          ;;;
;;; description: returns name(string) of current "space"              ;;;
;;;                (either "model" or "paper")                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-activespace-name ()
  (if (= 1 (vla-get-activespace (vlex-activedocument)))
    "Model"
    "Paper"
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-acadprefs ()                              ;;;
;;; description: returns acadpreferences object                      ;;;
;;; args: none                                          ;;;
;;; example: (vlex-acadprefs) returns vla-object                  ;;;
;;; ************************************************************************
;;; ***;;;
(setq *vlex-acadprefs* nil)
;;; initialize global variable
(defun vlex-acadprefs ()
  (cond
    (*vlex-acadprefs*)
    (t
      (setq *vlex-acadprefs* (vlax-get-property (vlex-acadobject)
                        'preferences
                 )
      )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getprefkey (tabname keyname)                      ;;;
;;; description: returns value of specified preferences setting              ;;;
;;; args: tabname(string), keyname(string)                      ;;;
;;; example: (vlex-getprefkey 'files 'supportpath)                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-getprefkey (tabname keyname)
  (vlax-get-property (vlax-get-property (vlex-acadprefs) tabname) keyname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-setprefkey (tabname keyname new-value)
;;;  ;;;
;;; description: modifies preferences setting with new value
;;;  ;;;
;;; args: tabname(string), keyname(string), new-value(varies)
;;;  ;;;
;;; example: (vlex-setprefkey "opensave" "incrementalsavepercent" 0)
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-setprefkey (tabname keyname newval)
  (vlax-put-property (vlax-get-property (vlex-acadprefs) tabname) keyname
             newval
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-acadprop (propname)                          ;;;
;;; description: returns value of acad-object property                  ;;;
;;; args: propname(string)                              ;;;
;;; example: (vlex-acadprop 'fullname)                          ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-acadprop (propname)
  (vlax-get-property (vlex-acadobject) propname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-name (obj)                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example: (vlex-name (vlex-acadobject)) returns "autocad"              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-name (obj)
  (if (vlax-property-available-p obj 'name)
    (vlax-get-property obj 'name)
    "<NONE_NAME>"
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getdocscollection                          ;;;
;;; description: returns the documents collection object              ;;;
;;; args: none                                      ;;;
;;; example:
;;; ************************************************************************
;;; ***;;;
(defun vlex-getdocscollection ()
  (vlex-acadcollection "Documents")
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-acadcollection (name)                          ;;;
;;; description: return a root collection of the acadapplication object
;;;  ;;;
;;; args:                                      ;;;
;;; example:
;;; ************************************************************************
;;; ***;;;
(defun vlex-acadcollection (cname)
  (vlax-get-property (vlex-acadobject) cname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-docscount ()                              ;;;
;;; description: returns the count of the documents collection              ;;;
;;; args: none                                      ;;;
;;; example: (setq numdocsopen (vlex-docscount))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-docscount ()
  (vlex-collectioncount (vlex-getdocscollection))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-collectioncount (collection)                      ;;;
;;; description: return the count of a given collection object              ;;;
;;; args: collection-object                              ;;;
;;; example: (setq laycount (vlex-collectioncount (vlex-getlayers)))
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-collectioncount (collection)
  (vlax-get-property collection 'count)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-docslist (verbose)                          ;;;
;;; description: returns a list of all opened document names              ;;;
;;; args: verbose<boolean>                              ;;;
;;; example: (setq alldocs (vlex-docslist t))                      ;;;
;;; notes: verbose returns full path+filename for each document in the list
;;;  ;;;
;;;        if set to t (true), otherwise only the filenames are returned.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-docslist (verbose / docname out)
  (setq out '())
  (vlax-for each (vlex-getdocscollection) (if verbose
                        (setq docname (strcat
                                  (vlax-get-property each 'path)
                                  "\\"
                                  (vlex-name each)
                              )
                        )
                        (setq docname
                          (vlex-name each)
                        )
                      ) ; endif
        (setq out (cons docname out))
  )
  (reverse out)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-dumpit                                  ;;;
;;; description: dump all methods and properties for selected objects
;;; ;;;
;;; args: none                                      ;;;
;;; examples:
;;; ************************************************************************
;;; ***;;;
(defun vlex-dumpit (/ ent)
  (while (setq ent (entsel))
    (vlax-dump-object (vlax-ename->vla-object (car ent)))
  )
  (princ)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-get____ ()                              ;;;
;;; description: various collection functions to return collection objects
;;;  ;;;
;;; args: none                                      ;;;
;;; example: (setq colllayers (vlex-getlayers))                       ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-getlayers ()
  (vlex-doccollection 'layers)
)
(defun vlex-getltypes ()
  (vlex-doccollection 'linetypes)
)
(defun vlex-gettextstyles ()
  (vlex-doccollection 'textstyles)
)
(defun vlex-getdimstyles ()
  (vlex-doccollection 'dimstyles)
)
(defun vlex-getlayouts ()
  (vlex-doccollection 'layouts)
)
(defun vlex-getdictionaries ()
  (vlex-doccollection 'dictionaries)
)
(defun vlex-getblocks ()
  (vlex-doccollection 'blocks)
)
(defun vlex-getplotconfigs ()
  (vlex-doccollection 'plotconfigurations)
)
(defun vlex-getviews ()
  (vlex-doccollection 'views)
)
(defun vlex-getviewports ()
  (vlex-doccollection 'viewports)
)
(defun vlex-getgroups ()
  (vlex-doccollection 'groups)
)
(defun vlex-getregapps ()
  (vlex-doccollection 'registeredapplications)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-doccollection (name)                          ;;;
;;; description: return a collection from the vlex-activedocument object
;;;  ;;;
;;; args: collection-name(string or quote)                      ;;;
;;; example: (setq all-ltypes (vlex-doccollection 'linetypes))              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-doccollection (cname)
  (vlax-get-property (vlex-activedocument) cname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listcollectionmembernames (collection)                    ;;;
;;; description: return list of all collection member names              ;;;
;;; args: collection<object>                              ;;;
;;; example: (vlex-list-collection-member-names (vlex-getlayers))          ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listcollectionmembernames (collection / itemname out)
  (setq out '())
  (vlax-for each collection (setq itemname (vlex-name each)
                  out (cons itemname out)
                )
  )
  (reverse out)
)
;;; ************************************************************************
;;; ***;;;
;;; list collection member names                          ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listltypes ()
  (vlex-listcollectionmembernames (vlex-getltypes))
)
(defun vlex-listlayers ()
  (vlex-listcollectionmembernames (vlex-getlayers))
)
(defun vlex-listtextstyles ()
  (vlex-listcollectionmembernames (vlex-gettextstyles))
)
(defun vlex-listdimstyles ()
  (vlex-listcollectionmembernames (vlex-getdimstyles))
)
(defun vlex-listlayouts ()
  (vlex-listcollectionmembernames (vlex-getlayouts))
)
(defun vlex-listdictionaries ()
  (vlex-listcollectionmembernames (vlex-getdictionaries))
)
(defun vlex-listblocks ()
  (vlex-listcollectionmembernames (vlex-getblocks))
)
(defun vlex-listplotconfigs ()
  (vlex-listcollectionmembernames (vlex-getplotconfigs))
)
(defun vlex-listviews ()
  (vlex-listcollectionmembernames (vlex-getviews))
)
(defun vlex-listviewports ()
  (vlex-listcollectionmembernames (vlex-getviewports))
)
(defun vlex-listgroups ()
  (vlex-listcollectionmembernames (vlex-getgroups))
)
(defun vlex-listregapps ()
  (vlex-listcollectionmembernames (vlex-getregapps))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-countltypes ()                              ;;;
;;; description: returns the count of the linetypes collection              ;;;
;;; args: none                                      ;;;
;;; example: (setq numltypes (vlex-countltypes))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-countltypes ()
  (vlex-collectioncount (vlex-getltypes))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-acadcollection (name)                          ;;;
;;; description: return a root collection of the acadapplication object
;;;  ;;;
;;; args:
;;; example:
;;; ************************************************************************
;;; ***;;;
(defun vlex-acadcollection (cname)
  (vlax-get-property (vlex-acadobject) cname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-sortpoints (points-list sortfield)                  ;;;
;;; description: sorts a list of point-list on x, y or z coordinates
;;; ;;;
;;; args: list of points (lists), sortfield(char "x", "y" or "z")          ;;;
;;; example: (vlex-sortpoints mypoints "y") sorts on y-coord values
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-sortpoints (points-list xyz)
  (setq xyz (strcase xyz))
  (cond
    ((= xyz "Z")               ; 3-point lists required!
      (if (apply
        '=
        (mapcar
          '(lambda (lst)
         (length lst)
           )
          points-list
        )
      )
    (vl-sort points-list (function (lambda (p1 p2)
                     (< (caddr p1) (caddr p2))
                       )
                 )
    )
    (princ "nCannot sort on Z-coordinates with 2D points!")
      )                       ; endif
    )                       ;
    ((= xyz "X")
      (vl-sort points-list (function (lambda (p1 p2)
                       (< (car p1) (car p2))
                     )
               )
      )
    )                       ;
    ((= xyz "Y")
      (vl-sort points-list (function (lambda (p1 p2)
                       (< (cadr p1) (cadr p2))
                     )
               )
      )
    )                       ;
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-collectionlist (collection)                      ;;;
;;; description: return a list of collection member names                  ;;;
;;; args: collection<object>                              ;;;
;;; example: (vlex-collectionlist (vlex-getltypes))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-collectionlist (collection / name out)
  (setq out '())
  (vlax-for each collection (setq name (vlex-name each))
        (setq out (cons name out))
  )
  (reverse out)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-dumpcollection (collection)                      ;;;
;;; description: display methods and properties for each collection member
;;;  ;;;
;;; args: collection<object>                              ;;;
;;; example: (vlex-dumpcollection (vlex-getlayers))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-dumpcollection (collection)
  (vlex-mapcollection collection 'vlax-dump-object)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-mapcollection (collection function-expression)              ;;;
;;; description: apply a function to all members of a given collection
;;; ;;;
;;; args: collection(vla-object), function                      ;;;
;;; example: (vlex-mapcollection all-arcs 'vlex-deleteobject)              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-mapcollection (collection qfunction)
  (vlax-map-collection collection qfunction)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-deleteobject (object)                          ;;;
;;; description: invokes the delete method on a given object to erase it
;;;  ;;;
;;; args: object                                  ;;;
;;; example: (vlex-deleteobject arc-object1)                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-deleteobject (obj)
  (princ "n***DeleteObject")
  (cond
    ((and
       (not (vlax-erased-p obj))
       (vlax-read-enabled-p obj)
       (vlax-write-enabled-p obj)
     )
      (vlax-invoke-method obj 'delete)
      (if (not (vlax-object-released-p obj))
    (vlax-release-object obj)
      )
    )                       ;
    (t
      (princ "nCannot delete object!")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-makeobject (object-or-ename)                      ;;;
;;; description: converts an ename type into a vla-object              ;;;
;;; args: ename-or-object                              ;;;
;;; example: (setq myobj (vlex-makeobject (car (entsel))) )              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-makeobject (entname)
  (cond
    ((= (type entname) 'ename)
      (vlax-ename->vla-object entname)
    )
    ((= (type entname) 'vla-object)
      entname
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-objecttype (object)                          ;;;
;;; description: returns objectname value for given object              ;;;
;;; args: object                                  ;;;
;;; example: (= "acdbarc" (vlex-objecttype myobject))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-objecttype (obj)
  (vlax-get-property obj 'objectname)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-undobegin ()                              ;;;
;;; description: begins an undo-make group                      ;;;
;;; args: none                                       ;;;
;;; example: (vlex-undobegin)                              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-undobegin ()
  (vlax-invoke-method (vlex-activedocument) 'startundomark)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-undoend ()                              ;;;
;;; description: closes an undo group                          ;;;
;;; args: none                                      ;;;
;;; example: (vlex-undoend)                              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-undoend ()
  (vlax-invoke-method (vlex-activedocument) 'endundomark)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-copyprop (property source-obj target-obj)              ;;;
;;; description: copy named property from one object to another              ;;;
;;; args: property(string or quotedval), source(object), target(object)
;;;  ;;;
;;; example: (vlex-copyprop "layer" arc-object1 arc-object2)              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-copyprop (propname source target)
  (cond
    ((member (strcase propname) '("LAYER" "LINETYPE"
          "COLOR" "LINETYPESCALE"
          "LINEWEIGHT" "PLOTSTYLENAME"
          "ELEVATION" "THICKNESS"
         )
     )
      (cond
    ((and
       (not (vlax-erased-p source))    ; source not erased?
       (not (vlax-erased-p target))    ; target not erased?
       (vlax-read-enabled-p source)    ; can read from source object?
       (vlax-write-enabled-p target) ; can write to target object?
     )
      (vlax-put-property target propname (vlax-get-property source
                                propname
                         )
      )
    )                   ;
    (t
      (princ "nOne or more objects inaccessible!")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nInvalid property-key request!")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-mappropertylist (properties source-obj target-obj)
;;; ;;;
;;; descriiption: copies a list of properties from one object to another
;;;  ;;;
;;; args: properties(list), source(object), target(object)              ;;;
;;; example: (vlex-mappropertylist '("layer" "color") arc-object1
;;; arc-object2 ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-mappropertylist (proplist source target)
  (foreach prop proplist
    (vlex-copyprop prop source target)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profileimport (profile-name arg-file)                  ;;;
;;; description: imports arg file as new profile                  ;;;
;;; args: profile-name(string), arg-file(string)                  ;;;
;;; example: (vlex-profileimport "myprofile" "c:/test.arg")              ;;;
;;; ************************************************************************
;;; ***;;;
;;; vba equivalent:                                  ;;;
;;;     thisdrawing.application.preferences._                      ;;;
;;;     profiles.importprofile _                          ;;;
;;;       strprofiletoimport, strargfilesource, true                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profileimport (pname argfile)
  (cond
    ((findfile argfile)
      (vlax-invoke-method (vlax-get-property (vlex-acadprefs) "Profiles")
              'importprofile pname argfile
              (vlax-make-variant 1 :vlax-vbboolean)    ; == true
      )
    )                       ;
    (t
      (princ "nARG file not found to import!")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profileexport (arg-file profile-name t    )              ;;;
;;; description:                                  ;;;
;;; args: arg-file(string), profile-name(string), t(boolean)                  ;;;
;;; example: (vlex-profileimport "myprofile" "c:/test.arg" t)              ;;;
;;; ************************************************************************
;;; ***;;;
;;; notes:                                      ;;;
;;; exports the active profile so it can be shared with other users.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profileexport (strname strfilename boolereplace)
  (if (vlex-profileexists-p strname)
    (if (not (findfile strfilename))
      (progn
    (vlax-invoke-method (vlax-get-property (vlex-acadprefs) "Profiles")
                'exportprofile strname strfilename
    )
    t                   ; return true
      )
      (if boolereplace
    (progn
      (vl-file-delete (findfile strfilename))
      (if (not (findfile strfilename))
        (progn
          (vlax-invoke-method (vlax-get-property
                             (vlex-acadprefs)
                             "Profiles"
                  ) 'exportprofile strname strfilename
          )
          t                   ; return true
        )                   ; progn
        (princ "nCannot replace ARG file, aborted.")
      )                   ; endif
    )                   ; progn
    (princ (strcat "n" strfilename " already exists, aborted."))
      )                       ; endif
    )                       ; endif
  )                       ; endif

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profiledelete (profile-name)                      ;;;
;;; description: deletes a profile from the acadapplication object
;;; ;;;
;;; args: profile-name(string)                              ;;;
;;; example: (vlex-profiledelete "myprofile")                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profiledelete (pname)
  (vlax-invoke-method (vlax-get-property (vlex-acadprefs) "Profiles")
              'deleteprofile pname
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profileexists-p (profile-name)                      ;;;
;;; description: boolean test for profile existence                  ;;;
;;; args: profile-name(string)                              ;;;
;;; example: (if (vlxx-profileexists-p "myprofile") ...)              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profileexists-p (pname)    ; search for caps profile-name in
                       ; caps list of profiles
  (not (not (member (strcase pname) (mapcar
                      'strcase
                      (vlex-profilelist)
                    )
        )
       )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profilelist ()                              ;;;
;;; description: returns a list of all profile                      ;;;
;;; args: none                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profilelist (/ hold)
  (vlax-invoke-method (vlax-get-property (vlex-acadprefs) "Profiles")
              'getallprofilenames 'hold
  )
  (if hold
    (vlax-safearray->list hold)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-closealldocs                              ;;;
;;; description:                                  ;;;
;;; args:                                          ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; closes all open documents without saving                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-closealldocs (/ item cur)
  (vlax-for item (vla-get-documents (vlex-acadobject)) (if (=
                                  (vla-get-active item)
                                  :vlax-false
                               )
                             (vla-close item :vlax-false)
                             (setq cur item)
                               )
  )
  (vla-sendcommand cur "_.CLOSE")
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-savealldocs                              ;;;
;;; description:                                  ;;;
;;; args:                                          ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; saves all open documents without saving                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-savealldocs (/ item cur)
  (vlax-for item (vla-get-document (vlex-acadobject)) (vla-save item))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-saved-p ()                              ;;;
;;; description:                                  ;;;
;;; args:                                          ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; tests to determine if the active document is saved                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-saved-p ()
  (= (vla-get-saved (vlex-activedocument)) :vlax-true)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-saveas...                              ;;;
;;; description: save the activedocument in different acsaveastype
;;; ;;;
;;; args:                                          ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; saveastype    acsaveastype enum; read-write
;;;
;;; acr12_dxf
;;; autocad release12/lt2 dxf (*.dxf)
;;;
;;; ac2000_dwg
;;; autocad 2000 dwg (*.dwg)
;;;
;;; ac2000_dxf
;;; autocad 2000 dxf (*.dxf)
;;;
;;; ac2000_template
;;; autocad 2000 drawing template file (*.dwt)
;;;
;;; ac2004_dwg
;;; autocad 2004 dwg (*.dwg)
;;;
;;; ac2004_dxf
;;; autocad 2004 dxf (*.dxf)
;;;
;;; ac2004_template
;;; autocad 2004 drawing template file (*.dwt)
;;;
;;; acnative
;;; a synonym for the current drawing release format. if you want your
;;; application to save the drawing in the format of whatever version of
;;; autocad the application is running on, then use the acnative format.
;;;
;;; acunknown
;;; read-only. the drawing type is unknown or invalid.
(defun vlex-saveas2000 (name)
  (vla-saveas (vlex-activedocument) name acr15_dwg)
)
(defun vlex-saveasr14 (name)
  (vla-saveas (vlex-activedocument) name acr14_dwg)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-purgealldocs                              ;;;
;;; description: purges all documents currently opened.                  ;;;
;;; args:                                          ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-purgealldocs (/ item cur)
  (vlax-for item (vla-get-document (vlex-acadobject)) (vla-purgeall item))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-changeattributes (lst)                          ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example: (vlex-changeattributes (list blk (cons "tag" "new-value")))
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
;;; arguments:
;;; a list containing one atom and one or more dotted pairs.
;;; the atom is the entity name of the block to change.
;;; the dotted pairs consist of the attribute tag and the new value for
;;; that attribute.
;;;
;;; notes:
;;; modifies the specified attribute in the specified block reference
;;; ************************************************************************
;;; ***;;;
(defun vlex-changeattributes (lst / blk itm atts)
  (setq blk (vlax-ename->vla-object (car lst))
    lst (cdr lst)
  )
  (if (= (vla-get-hasattributes blk) :vlax-true)
    (progn
      (setq atts (vlax-safearray->list (vlax-variant-value
                               (vla-getattributes blk)
                       )
         )
      )                       ; setq
      (foreach item lst
    (mapcar
      '(lambda (x)
         (if (= (strcase (car item)) (strcase
                          (vla-get-tagstring x)
                     )
         )
           (vla-put-textstring x (cdr item))
         )                   ; endif
       )
      atts
    )                   ; mapcar

      )                       ; foreach
      (vla-update blk)
    )
  )                       ; endif

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getattributes (ent)                          ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; arguments
;;; the entity name of an attributed block
;;;
;;; example
;;; (ax::getattributes (car (entsel)))
;;; returns a list of attribute tags and associated values
;;; ************************************************************************
;;; ***;;;
(defun vlex-getattributes (ent / blkref lst)
  (if (= (vla-get-objectname (setq blkref (vlax-ename->vla-object ent)))
     "AcDbBlockReference"
      )
    (if (vla-get-hasattributes blkref)
      (mapcar
    '(lambda (x)
       (setq lst (cons (cons (vla-get-tagstring x)
                 (vla-get-textstring x)
               ) lst
             )
       )
     )
    (vlax-safearray->list (vlax-variant-value
                          (vla-getattributes blkref)
                  )
    )
      )                       ; mapcar
    )                       ; endif
  )                       ; endif
  (reverse lst)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-parsestring (str delim)                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; arguments
;;; a delimited string and the delimiter character.
;;;
;;; example:
;;; (vlex-parsestring (getenv "acad") ";")
;;;
;;; notes:
;;; autolisp does not correctly interpret any character code outside the
;;; range of
;;; 1 to 255, so you cannot parse a null-delimited string.
;;; returns a list containing all tokens in a delimited string
;;; ************************************************************************
;;; ***;;;
(defun vlex-parsestring (str delim / lst pos token)
  (setq pos (vl-string-search delim str))
  (while pos
    (setq lst (cons (if (= (setq token (substr str 1 pos))
               delim
            )
              nil
              token
            )               ; endif
            lst
          )
      str (subst
        str
        (+ (strlen delim) pos 1)
          )
      pos (vl-string-search delim str)
    )                       ; setq
  )                       ; while
  (if (> (strlen str) 0)
    (setq lst (cons str lst))
  )
  (reverse lst)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-polycentroid (poly)                          ;;;
;;; description:                                  ;;;
;;; args: poly(entity name)                              ;;;
;;; example:
;;; ************************************************************************
;;; ***;;;
;;; arguments:
;;; the entity name of a closed, planar polyline
;;;
;;; example:
;;; (ax:centroid (car (entsel)))
;;;
;;; returns the centroid of a closed polyline
;;; thanks to tony t for the original concept
;;; ************************************************************************
;;; ***;;;
(defun vlex-polycentroid (poly / pl ms va reg cen)
  (setq pl (vlax-ename->vla-object poly)
    ms (vlex-modelspace)
    va (vlax-make-safearray vlax-vbobject '(0 . 0))
  )
  (vlax-safearray-put-element va 0 pl)
  (setq reg (car (vlax-safearray->list (vlax-variant-value
                               (vla-addregion ms va)
                       )
         )
        )
    cen (vla-get-centroid reg)
  )
  (vla-delete reg)
  (vlax-safearray->list (vlax-variant-value cen))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-massoc                                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; originally written by tony tanzillo
;;; returns a list containing cdrs for every occurence of key in alist
;;; arguments:
;;; an integer and an entity definition list
;;;
;;; usage:
;;; (vlex-massoc 10 (entget (car (entsel))))
;;;
;;; notes:
;;; this is especially useful for retrieving all points associated with a
;;; lightweight polyline.
;;; ************************************************************************
;;; ***;;;
(defun vlex-massoc (key alist)
  (apply
    'append
    (mapcar
      '(lambda (x)
     (if (eq (car x) key)
       (list (cdr x))
     )
       )
      alist
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-extents                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; originally written by tony tanzillo
;;; returns a list containing the min and max points
;;;
;;; arguments
;;; a list with three or more points
;;;
;;; example
;;; (vlex-extents '((1 0 0) (2 2 0) (1 2 0)))
;;; ************************************************************************
;;; ***;;;
(defun vlex-extents (plist /)
  (list (apply
      'mapcar
      (cons 'min plist)
    ) (apply
        'mapcar
        (cons 'max plist)
      )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-rectcenter                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; returns the "center" of a rectangle
;;;
;;; arguments
;;; the entity name of a rectangle
;;;
;;; example
;;; (vlex-rectcenter (car (entsel)))
;;; ************************************************************************
;;; ***;;;
(defun vlex-rectcenter (rec)
  (vlex-mid (vlex-extents (vlex-massoc 10 (entget rec))))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-mid (pts)                              ;;;
;;; descriptoin:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; originally written by michael weaver
;;; returns the point midway between two others
;;;
;;; arguments
;;; a list of two points
;;;
;;; example
;;; (mid '((1 1 0) (5 5 0)))
;;; ************************************************************************
;;; ***;;;
(defun vlex-mid (pts / p0 p1)
  (setq p0 (nth 0 pts)
    p1 (nth 1 pts)
  )
  (mapcar
    '(lambda (ord1 ord2)
       (/ (+ ord1 ord2) 2.0)
     )
    p0
    p1
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getpolysegment (poly pt)                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:
;;; ************************************************************************
;;; ***;;;
;;; returns a list containing the endpoints of the selected lwpoly segment
;;;  ;;;
;;; thanks to tony tanzillo for showing me how to improve my routine
;;; ;;;
;;;
;;; arguments:
;;; the entity name of an lwpolyline and the point at which it was selected
;;;
;;; example:
;;; (apply 'getseg (entsel))
;;; ************************************************************************
;;; ***;;;
(defun vlex-getpolysegment (poly pt / pts i)
  (setq pts (vlex-massoc 10 (entget poly))
    i (caddar (ssnamex (ssget pt)))
  )
  (list (nth (1- i) pts) (if (and
                   (vlex-isclosed poly)
                   (= i (length pts))
                 )
               (car pts)
               (nth i pts)
             )           ; endif
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-isclosed (pl)                              ;;;
;;; description: specifies whether the 3d polyline, lightweight polyline,
;;;  ;;;
;;;              polyline, or spline is open or closed.                  ;;;
;;; args: the entity name of an lwpolyline, polyline, or spline.          ;;;
;;; example: (vlex-isclosed (car (entsel)))                       ;;;
;;; ************************************************************************
;;; ***;;;
;;; returns:
;;; t if the object has the specified 'closed and it is really closed;
;;; nil, if the object hasn't the 'closed property.
;;; ************************************************************************
;;; ***;;;
(defun vlex-isclosed (epl / vpl)
  (setq vpl (vlex-makeobject epl))
  (if (vlax-property-available-p vpl 'closed)
    (= (vlax-get-property vpl 'closed) :vlax-true)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module:                                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; example function that convert arc objects into circle objects by first
;;;  ;;;
;;; creating a circle in place of the arc and then inheriting the various
;;;  ;;;
;;; properties of the arc before deleting the arc itself.              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-closearc (/ arcent arcobj trapobj circ)
  (while (setq arcent (entsel "nSelect ARC object: "))
    (setq arcobj (vlex-makeobject (car arcent)))
    (cond
      ((= "AcDbArc" (vlex-objecttype arcobj))
    (vlex-undobegin)
    (setq circ (vla-addcircle (vlex-modelspace) (vla-get-center arcobj)
                  (vla-get-radius arcobj)
           )
    )
    (vlex-mappropertylist '("Layer" "Color"
                   "Thickness" "Linetype"
                   "LinetypeScale"
                  ) arcobj circ
    )
    (vlex-deleteobject arcobj)
    (vlax-release-object circ)
    (vlex-undoend)
      )                       ;
      (t
    (princ "nNot an ARC object, try again...")
      )
    )                       ; cond
  )                       ; endwhile
  (princ)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-ltype-exists-p (strltype)                      ;;;
;;; description:                                    ;;;
;;; args:                                      ;;;
;;; example: (vlex-ltype-exists-p "dashed")                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-ltype-exists-p (strltype)
  (cond
    ((member (strcase strltype) (mapcar
                  'strcase
                  (vlex-listltypes)
                )
     )
      t
    )                       ;
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-apply-ltype (obj strltype)                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example: (vlex-apply-ltype cirobj "dashed")                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-apply-ltype (obj strltype / entlist)
  (cond
    ((vlex-ltype-exists-p strltype)
      (cond
    ((and
       (vlax-read-enabled-p obj)   ; object can be read from
       (vlax-write-enabled-p obj)  ; object can be modified
     )
      (vla-put-linetype obj strltype)
      t                   ; return true
    )                   ;
    (t
      (princ "nVlex-Apply-Ltype: Unable to modify object!")
    )
      )
    )                       ;
    (t
      (princ (strcat "nVlex-Apply-Ltype: Linetype [" strltype
             "] not loaded."
         )
      )
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module:                                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; example: (vlex-addline (vlex-modelspace) pt1 pt2 "doors" 4 "dashed")
;;; notes: <intcolor> and <strltype> can each be 'nil'
;;; ************************************************************************
;;; ***;;;
(defun vlex-addline (startpt endpt strlayer intcolor strltype / obj)
  (cond
    ((and
       startpt
       (listp startpt)
       endpt
       (listp endpt)
     )
      (setq obj (vla-addline (vlex-modelspace) (vlax-3d-point startpt)
                 (vlax-3d-point endpt)
        )
      )                       ; setq
      (cond
    ((vlax-write-enabled-p obj)
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
      (vlex-mxrelease obj)
      (entlast)
    )                   ;
    (t
      (princ "nUnable to modify object properties...")
    )
      )
    )                       ;
    (t
      (princ "nVlex-AddLine: Invalid parameter list...")
    )
  )
)
;;; defun
(defun vlex-mxrelease (obj)
  (vlax-release-object obj)
)
;;; ************************************************************************
;;; ***;;;
;;; module:                                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
;;; example: (vlex-addarc (vlex-modelspace) pt1 0.5 0 90 "0" 3 "dashed")
;;; notes:
;;;    <startang> and <endang> are in degree values, not radians
;;;    <intcolor> and <strltype> can each be 'nil'
;;; ************************************************************************
;;; ***;;;
(defun vlex-addarc (centerpt radius startang endang strlayer intcolor
                 strltype / obj
           )
  (cond
    ((and
       centerpt
       (listp centerpt)
       radius
       startang
       endang
     )
      (setq obj (vla-addarc objspace (vlax-3d-point centerpt) radius
                (vlex-dtr startang) (vlex-dtr endang)
        )
      )
      (cond
    ((vlax-write-enabled-p obj)
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
      (vlex-mxrelease obj)
      (entlast)
    )                   ;
    (t
      (princ "nUnable to modify object properties...")
    )
      )
    )                       ;
    (t
      (princ "nVlex-AddArc: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module:                                      ;;;
;;; description:                                  ;;;
;;; args:                                            ;;;
;;; example:                                            ;;;
;;; ************************************************************************
;;; ***;;;
;;; example: (vlex-addcircle (vlex-modelspace) pt1 0.5 "0" 3 "dashed")
;;; notes: <intcolor> and <strltype> can each be 'nil'
;;; ************************************************************************
;;; ***;;;
(defun vlex-addcircle (centerpt radius strlayer intcolor strltype / obj)
  (cond
    ((and
       centerpt
       (listp centerpt)
       radius
     )
      (setq obj (vla-addcircle (vlex-modelspace) (vlax-3d-point centerpt)
                   radius
        )
      )
      (cond
    ((vlax-write-enabled-p obj)
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
      (vlex-mxrelease obj)
      (entlast)
    )
    (t
      (princ "nUnable to modify object properties...")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nVlex-AddCircle: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-dtr (a)                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                             ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-dtr (a)
  (* pi (/ a 180.0))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-rtd (a)                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                             ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-rtd (a)
  (/ (* a 180.0) pi)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addpline (space ptlist layer closed color ltype width)
;;;  ;;;
;;; description: create lwpolyline with given properties              ;;;
;;; args: space, points-list, layername, closed(t or nil), <color> is
;;; ;;;
;;;   integer, <ltype> is string name, <width> is double/real number
;;; ;;;
;;; exmaple: (vlex-addpline (vlex-modelspace) ptlist "0" t 3 "dashed"
;;; 0.125)  ;;;
;;; notes: <bclosed> <intcolor> <dblwidth> and <strltype> can each be 'nil'
;;;  ;;;
;;;   which is bylayer.
;;; ************************************************************************
;;; ***;;;
(defun vlex-addpline (ptlist strlayer bclosed intcolor strltype dblwidth /
                 vrtcs lst plgen plist plpoints obj
             )
  (cond
    ((and
       ptlist
       (listp ptlist)
       (listp (car ptlist))
     )
      (setq plist (apply
            'append
            (mapcar
              '3dpoint->2dpoint
              ptlist
            )
          )
        plpoints (vlex-list->variantarray plist)
        obj (vla-addlightweightpolyline (vlex-modelspace) plpoints)
      )
      (cond
    ((and
       (vlax-read-enabled-p obj)   ; if able to read
       (vlax-write-enabled-p obj)  ; if open for change...
     )
      (if bclosed
        (vla-put-closed obj :vlax-true)
      )                   ; make closed
      (if strlayer
        (vla-put-layer obj strlayer)
      )                   ; apply layer
      (if intcolor
        (vla-put-color obj intcolor)
      )                   ; apply color
      (if dblwidth
        (vla-put-constantwidth obj dblwidth)
      )                   ; apply constant width
      (if strltype               ; apply linetype and linetype
                       ; generation
        (progn
          (vlex-apply-ltype obj strltype) ; apply linetype
          (vla-put-linetypegeneration obj :vlax-true) ; apply
                       ; linetype-gen
        )
      )
      (vla-update obj)           ; force graphic update
      (vlex-mxrelease obj)
      (entlast)
    )                   ;
    (t
      (princ "nVlex-AddPline: Unable to modify object!")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nVlex-AddPline: Invalid parameter list....")
    )
  )                       ; cond

)
(defun 3dpoint->2dpoint (3dpt / 2dpt)
  (setq 2dpt (list (car 3dpt) (cadr 3dpt)))
)
(defun 3dpoint-list->2dpoint-list (3dplist / 2dplist)
  (cond
    ((and
       3dplist
       (listp 3dplist)
       (listp (car 3dplist))
     )
      (setq 2dplist (mapcar
              '(lambda (pt)
             (list (car pt) (cadr pt))
               )
              3dplist
            )
      )
    )
    (t
      (princ "n3dpoint-list->2dpoint-list: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-list->variantarray (list)                      ;;;
;;; description: convert a list into a vla-variant safearray date type
;;; ;;;
;;; args: list                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-dbllist->variantarray (nlist / arrayspace sarray) ; allocate
                       ; space for an array of 2d points
                       ; stored as doubles
  (setq arrayspace (vlax-make-safearray vlax-vbdouble ; element type
                    (cons 0 (- (length nlist) 1))
           )
  )
  (setq sarray (vlax-safearray-fill arrayspace nlist)) ; return array
                       ; variant
  (vlax-make-variant sarray)
)
(defun vlex-intlist->vararray (alist)
  (vlax-safearray-fill (vlax-make-safearray vlax-vbinteger ; (2) integer
                        (cons 0 (- (length alist) 1))
               ) alist
  )
)
(defun vlex-varlist->vararray (alist)
  (vlax-safearray-fill (vlax-make-safearray vlax-vbvariant ; (12) variant
                        (cons 0 (- (length alist) 1))
               ) alist
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module:                                      ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addlinec (ptlist bclosed strlayer intcolor strltype / pt1 ptz)
  (cond
    ((and
       ptlist
       (listp ptlist)
       (listp (car ptlist))
     )
      (setq pt1 (car ptlist)           ; save first point
        ptz (last ptlist)           ; save last point

      )
      (while (and
           ptlist
           (>= (length ptlist) 2)
         )
    (vlex-addline (vlex-modelspace) (car ptlist) (cadr ptlist) strlayer
              intcolor strltype
    )
    (setq ptlist (cdr ptlist))
      )
      (if (= bclosed t)
    (vlex-addline (vlex-modelspace) pt1 ptz strlayer intcolor strltype)
      )
    )                       ;
    (t
      (princ "nMakeLineC: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-roll-ratio (angle)                          ;;;
;;; description: converts angle<degrees> into ratio for ellipse roll angles
;;;  ;;;
;;; args: angle<degrees>                              ;;;
;;; example: (setq roll-ratio (vlex-roll-ratio 45.0))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-roll-ratio (rollangle)
  (cos (vlex-dtr rollangle))
)
;;; ************************************************************************
;;; ***;;;
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addellipse (space ctr hmaj roll layer color ltype)
;;; ;;;
;;; description: create ellipse object with given properties              ;;;
;;; args: space centerpt hmajorpt rollangle layer color ltype              ;;;
;;; example: (vlex-addellipse (vlex-modelspace) l1 p2 45 "parts" nil nil)
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
;;; notes: <space> is object, <centerpt> and <hmajorpt> are point lists
;;;  ;;;
;;;   <roll> is degrees angle, <layer> is string name, <color> is integer,
;;;  ;;;
;;;   <ltype> is string name. <color> <ltype> may be 'nil' == bylayer
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addellipse (ctr hmpt roll strlayer intcolor strltype / lst obj)
  (cond
    ((and
       ctr
       (listp ctr)
       hmpt
       (listp hmpt)
       roll
     )
      (setq hmpt (list (- (car hmpt) (car ctr)) (- (cadr hmpt)
                           (cadr ctr)
                        )
         )
        obj (vla-addellipse (vlex-modelspace) (vlax-3d-point ctr)
                (vlax-3d-point hmpt)
                (vlex-roll-ratio roll)
        )
      )
      (cond
    ((vlax-write-enabled-p obj)
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
    )                   ;
    (t
      (princ "nUnable to modify object properties...")
    )
      )                       ; cond
      (mxrelease obj)
      (entlast)
    )                       ;
    (t
      (princ "nInvalid paprameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addellipsearc1                              ;;;
;;; description:                                  ;;;
;;; args:                                      ;;;
;;; example:                                       ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addellipsearc1 (ctr hmpt roll startang endang strlayer intcolor
                strltype / obj rang
               )
  (cond
    ((and
       ctr
       (listp ctr)
       hmpt
       roll
     )
      (setq hmpt (list (- (car hmpt) (car ctr)) (- (cadr hmhp)
                           (cadr ctr)
                        )
         )
        obj (vla-addellipse (vlex-modelspace) (vlax-3d-point ctr)
                (vlax-3d-point hmpt)
                (vlex-roll->ratio roll)
        )
      )
      (cond
    ((vlax-write-enabled-p obj)
      (vla-put-startangle obj (vlex-dtr startang))
      (vla-put-endangle obj (vlex-dtr endang))
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
      (mxrelease obj)
      (entlast)
    )                   ;
    (t
      (princ "nUnable to modify object properties...")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nMakeArcEllipse1: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; *;;;
;;; module:
;;; ;;;
;;; description:
;;; ;;;
;;; args:
;;; ;;;
;;; example:
;;; ;;;
;;; ************************************************************************
;;; *;;;
(defun vlex-addellipsearc2 (ctr hmpt hmin startang endang strlayer intcolor
                strltype / obj rang
               )
  (cond
    ((and
       ctr
       (listp ctr)
       hmpt
       (listp hmpt)
       hmin
     )
      (setq hmpt (list (- (car hmpt) (car ctr)) (- (cadr hmpt)
                           (cadr ctr)
                        )
         )
        obj (vla-addellipse (vlex-modelspace) (vlax-3d-point ctr)
                (vlax-3d-point hmpt) hmin
        )
      )
      (cond
    ((vlax-write-enabled-p obj)
      (vla-put-startangle obj (vlex-dtr startang))
      (vla-put-endangle obj (vlex-dtr endang))
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
      (vla-update obj)
      (mxrelease obj)
      (entlast)
    )                   ;
    (t
      (princ "nUnable to modify object properties...")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nMakeArcEllipse2: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module:
;;;  ;;;
;;; description: returns a list consistof start point and end point of the
;;;  ;;;
;;;              arc, line, or ellipse.                          ;;;
;;; args:
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-getellipsearcpoints (ellent / ename-ellipse vlaobject-ellipse
                    p-start p-end out
                )
  (setq vlaobject-ellipse (vlex-makeobject ellent) ; convert ename to
                       ; object
    p-start (vla-get-startpoint vlaobject-ellipse)
    p-end (vla-get-endpoint vlaobject-ellipse)
    out (list (vlax-safearray->list (vlax-variant-value p-start))
          (vlax-safearray->list (vlax-variant-value p-end))
        )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addpoint                              ;;;
;;; description: creates point object with specified properties              ;;;
;;; args: point, layer                                  ;;;
;;; example: (vlex-addpoint p1 "defpoints")
;;; ************************************************************************
;;; ***;;;
(defun vlex-addpoint (pt strlayer / obj)
  (cond
    ((and
       pt
       (listp pt)
     )
      (setq obj (vla-addpoint (vlex-modelspace) (vlax-3d-point pt)))
      (if (vlax-write-enabled-p obj)
    (progn
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (vla-update obj)
      (mxrelease obj)
      (entlast)
    )
    (princ "nVlex-AddPoint: Unable to modify object!")
      )                       ; if
    )                       ;
    (t
      (princ "nVlex-AddPoint: Invalid parameter list...")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addtext                              ;;;
;;; description: creates text object with sepecified properties              ;;;
;;; args: string, point, justification, style, hgt, wid, rot, lay, color
;;;  ;;;
;;; example: (vlex-addtext "abc" p1 "mc" "standard" 0.25 1.0 0 "text" nil)
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addtext (strtxt pt just strstyle dblhgt dblwid dblrot strlay
                intcol / txtobj
            )
  (cond
    ((setq txtobj (vla-addtext (vlex-activespace) strtxt (if (not
                                  (member
                                      (strcase just)
                                      '
                                      ("A" "F")
                                  )
                                 )
                               (vlax-3d-point pt)
                               (vlax-3d-point
                                      (car pt)
                               )
                             ) ; endif
                   dblhgt  ; ignored if just = "a" (aligned)
          )
     )
      (vla-put-stylename txtobj strstyle)
      (vla-put-layer txtobj strlay)
      (if intcol
    (vla-put-color txtobj intcol)
      )
      (setq just (strcase just))       ; force to upper case for
                       ; comparisons...
                       ; left/align/fit/center/middle/right
                       ; /bl/bc/br/ml/mc/mr/tl/tc/tr
                       ; note that "left" is not a normal
                       ; default.
                       ;
                       ; alignment types...
                       ; acalignmentleft=0
                       ; acalignmentcenter=1
                       ; acalignmentright=2
                       ; acalignmentaligned=3
                       ; acalignmentmiddle=4
                       ; acalignmentfit=5
                       ; acalignmenttopleft=6
                       ; acalignmenttopcenter=7
                       ; acalignmenttopright=8
                       ; acalignmentmiddleleft=9
                       ; acalignmentmiddlecenter=10
                       ; acalignmentmiddleright=11
                       ; acalignmentbottomleft=12
                       ; acalignmentbottomcenter=13
                       ; acalignmentbottomright=14
                       ;
                       ;
                       ; horizontal justifications...
                       ;
                       ; achorizontalalignmentleft=0
                       ;
                       ; achorizontalalignmentcenter=1
                       ;
                       ; achorizontalalignmentright=2
                       ;
                       ; achorizontalalignmentaligned=3
                       ;
                       ; achorizontalalignmentmiddle=4
                       ;
                       ; achorizontalalignmentfit=5
                       ;
                       ;
                       ;
                       ; vertical justifications...
                       ;
                       ; acverticalalignmentbaseline=0
                       ;
                       ; acverticalalignmentbottom=1
                       ;
                       ; acverticalalignmentmiddle=2
                       ;
                       ; acverticalalignmenttop=3
                       ;
      (cond
    ((= just "L")               ; left
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "C")               ; center
      (vla-put-alignment txtobj 1)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "R")               ; right
      (vla-put-alignment txtobj 2)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "A")               ; alignment
      (vla-put-alignment txtobj 3)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
    )
    ((= just "M")               ; middle
      (vla-put-alignment txtobj 4)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "F")               ; fit
      (vla-put-alignment txtobj 5)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
    )
    ((= just "TL")               ; top-left
      (vla-put-alignment txtobj 6)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "TC")               ; top-center
      (vla-put-alignment txtobj 7)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "TR")               ; top-right
      (vla-put-alignment txtobj 8)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "ML")               ; middle-left
      (vla-put-alignment txtobj 9)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "MC")               ; middle-center
      (vla-put-alignment txtobj 10)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "MR")               ; middle-right
      (vla-put-alignment txtobj 11)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "BL")               ; bottom-left
      (vla-put-alignment txtobj 12)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "BC")               ; bottom-center
      (vla-put-alignment txtobj 13)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
    ((= just "BR")               ; bottom-right
      (vla-put-alignment txtobj 14)
      (vla-put-textalignmentpoint txtobj (vlax-3d-point pt))
      (vla-put-scalefactor txtobj dblwid)
      (vla-put-rotation txtobj (dtr dblrot))
    )
      )
      (vla-update txtobj)
      (vlax-release-object txtobj)
      (entlast)
    )                       ;
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addpolygon                              ;;;
;;; description: creates a circumscribed polygon                  ;;;
;;; args: center, radius, sides, flag, width, layer, color, ltype          ;;;
;;; example: (vlex-addpolygon pt1 1.0 6 nil 0 "0" nil "dashed")
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addpolygon (ctrpt dblrad intsides strtype dblwid strlay intcol
                  strltype / pa dg ptlist deg
               )
  (setq pa (polar ctrpt 0 dblrad)
    dg (/ 360.0 intsides)           ; get angles between faces
    deg dg
  )
  (repeat intsides
    (setq ptlist (if ptlist
           (append
             ptlist
             (list (polar ctrpt (vlex-dtr deg) dblrad))
           )
           (list (polar ctrpt (vlex-dtr deg) dblrad))
         )
    )
    (setq deg (+ dg deg))
  )                       ; repeat
  (vlex-addpline ptlist strlay t intcol strltype dblwid)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addrectangle                              ;;;
;;; description: creates a rectangle with sepecified properties              ;;;
;;; args: p1(lower left), p3(upper right), layer, color, linetype, width
;;;  ;;;
;;; example: (vlex-addrectangle p1 p3 "0" nil "dashed" 0.25)
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addrectangle (p1 p3 strlayer intcolor strltype dblwid / p2 p4
                 obj
             )
  (setq p2 (list (car p1) (cadr p3))
    p4 (list (car p3) (cadr p1))
  )
  (cond
    ((setq obj (vlex-addpline (list p1 p2 p3 p4) strlayer t intcolor
                  strltype dblwidth
           )
     )
      obj                   ; raise object (entity name)
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-addsolid                              ;;;
;;; description: creates a solid with sepecified properties              ;;;
;;; args: points-list, layer(string), color(integer)                      ;;;
;;; example: (vlex-addsolid ptlist "0" nil)                              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-addsolid (ptlist strlayer intcolor / plist obj)
  (cond
    ((and
       ptlist
       (listp ptlist)
       (listp (car ptlist))
     )
      (if (= (length ptlist) 3)
    (setq plist (append
              ptlist
              (list (last ptlist))
            )
    )
    (setq plist ptlist)
      )
      (vlex-dpr "nMaking solid object...")
      (cond
    ((setq obj (vla-addsolid (vlex-activespace) (vlax-3d-point
                                   (car plist)
                            )
                 (vlax-3d-point (cadr plist))
                 (vlax-3d-point (caddr plist))
                 (vlax-3d-point (cadddr plist))
           )
     )
      (if strlayer
        (vla-put-layer obj strlayer)
      )
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (vla-update obj)
      (vlax-release-object obj)
      (entlast)
    )                   ;
    (t
      (princ "nUnable to create object...")
    )
      )                       ; cond
    )                       ;
    (t
      (princ "nVlex-AddSolid: Invalid parameter list...")
    )
  )                       ; cond

)
(defun vlex-dpr (msg)               ; debugging status printer
  (if $dbg
    (princ msg)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-apply-ltscale (object ltscale)                      ;;;
;;; description: apply object linetype scaling                      ;;;
;;; args: ename or object, scale (real)                          ;;;
;;; example: (vlex-apply-ltscale objline 24.0)                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-apply-ltscale (obj dblltscale)
  (cond
    ((and
       (vlax-read-enabled-p obj)       ; object can be read from
       (vlax-write-enabled-p obj)      ; object can be modified
     )
      (vla-put-linetype dblltscale)
      t                       ; return true
    )                       ;
    (t
      (princ "nVlex-Apply-LtScale: Unable to modify object!")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-varsave (vlist)
;;;  ;;;
;;; description: save sysvars to global list for restoring later.
;;;  ;;;
;;; args:
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(setq g$vars nil)
;;; initialize global variable
(defun vlex-varsave (vlist / n)
  (foreach n vlist
    (setq g$vars (if g$vars
           (append
             g$vars
             (list (list n (getvar n)))
           )
           (list (list n (getvar n)))
         )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-varrestore ()
;;;  ;;;
;;; description: restore sysvars from global list for restoring later.
;;;  ;;;
;;; args:
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-varrestore (/ $orr #err)
  (defun #err (s)
    (princ (strcat "nError: " s))
    (setq g$vars nil)
    (setq *error* $orr)
    (princ)
  )
  (setq $orr *error*
    *error* #err
  )
  (cond
    ((and
       g$vars
       (listp g$vars)
     )
      (foreach n g$vars
    (cond
      ((= (strcase (car n)) "CLAYER")
        (command "_.layer" "_s" (cadr n) "")
      )
      ((= (strcase (car n)) "VIEWPORT")
        (command "_.viewres" "_Y" (cadr n) "")
      )
      (t
        (setvar (car n) (cadr n))
      )
    )                   ; cond

      )                       ; foreach
      (setq g$vars nil)
    )
  )                       ; cond
  (setq *error* $orr
    $orr nil
  )
)
;;; ***********************   <   second session   >
;;; ***********************;;;
;;; layers -->>
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layertable ()
;;;  ;;;
;;; description: get document layers collection object
;;; ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layertable ()
  (vla-get-layers (vlex-activedocument))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layzero ()
;;;  ;;;
;;; description: set active layer in document to zero "0"
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layzero ()
  (vla-put-activelayer (vlex-activedocument) (vla-item
                               (vlex-layertable) 0
                         )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layactive (name)
;;;  ;;;
;;; description: set active layer to <name> if it exists
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layactive (name / iloc out)
  (cond
    ((and
       (tblsearch "layer" name)
       (setq iloc (vl-position name (vlex-listlayers)))
     )
      (vla-put-activelayer (vlex-activedocument) (vla-item
                               (vlex-layertable)
                               iloc
                         )
      )
      (setq out name)
    )                       ;
    (t
      (princ (strcat "nLayer not defined: " name))
    )
  )                       ; cond
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layeron (laylist)
;;;  ;;;
;;; description: turn on all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layeron (laylist)
  (vlax-for each (vla-get-layers (vlex-activedocument)) (if (member
                                    (strcase
                                         (vla-get-name each)
                                    )
                                    laylist
                                )
                              (if
                                (vlax-write-enabled-p each)
                                (vla-put-layeron each :vlax-true)
                              )
                            )
        (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layeroff (laylist)
;;;  ;;;
;;; description: turn off all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layeroff (laylist)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (vla-put-layeron each :vlax-false)
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layerfreeze (laylist)
;;;  ;;;
;;; description: freeze all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layerfreeze (laylist)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (vla-put-freeze each :vlax-true)
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layerthaw (laylist)
;;;  ;;;
;;; description: thaw all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layerthaw (laylist)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (vla-put-freeze each :vlax-false)
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layernoplot (laylist)
;;;  ;;;
;;; description: toggle plot/no-plot setting for layers.
;;;  ;;;
;;; example: (vlex-layernoplot '("doors" "windows") t)                  ;;;
;;;                sets layers to not plot                          ;;;
;;;          (vlex-layernoplot '("doors" "windows") nil)              ;;;
;;;                sets layers to plot                          ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layernoplot (laylist on-off)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (if on-off
                     (vla-put-plottable each :vlax-true)
                     (vla-put-plottable each :vlax-false)
                       )
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layerlock (laylist)
;;;  ;;;
;;; description: lock all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layerlock (laylist)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (vla-put-lock each :vlax-true)
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layerunlock (laylist)
;;;  ;;;
;;; description: unlock all layers in given list
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layerunlock (laylist)
  (vlax-for each (vlex-layertable) (if (member (strcase
                            (vla-get-name each)
                           ) laylist
                       )
                     (if (vlax-write-enabled-p each)
                       (vla-put-lock each :vlax-false)
                     )
                   ) (vlax-release-object each)
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listlayers-locked ()
;;;  ;;;
;;; description: returns a list of layers that are currently locked
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listlayers-locked (/ each out)
  (vlax-for each (vlex-layertable) (if (= (vlax-get-property each "Lock")
                      :vlax-true
                       )
                     (setq out (cons (vla-get-name each) out))
                   )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listlayers-frozen ()
;;;  ;;;
;;; description: returns a list of layers that are currently frozen or
;;; 'nil'  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listlayers-frozen (/ each out)
  (vlax-for each (vlex-layertable) (if (= (vlax-get-property each "Freeze")
                      :vlax-true
                       )
                     (setq out (cons (vla-get-name each) out))
                   )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listlayers-off ()
;;;  ;;;
;;; description: returns a list of layers that are currently turned off
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listlayers-off (/ each out)
  (vlax-for each (vlex-layertable) (if (= (vlax-get-property each "LayerOn")
                      :vlax-false
                       )
                     (setq out (cons (vla-get-name each) out))
                   )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listlayers-plottable ()
;;;  ;;;
;;; description: returns a list of layers that are currently plottable
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listlayers-plottable (/ each out)
  (vlax-for each (vlex-layertable) (if (= (vlax-get-property each
                                 "Plottable"
                      ) :vlax-true
                       )
                     (setq out (cons (vla-get-name each) out))
                   )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-listlayers-plottable-not ()
;;;  ;;;
;;; description: returns a list of layers that are currently not plottable
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-listlayers-plottalbe-not (/ each out)
  (vlax-for each (vlex-layertable) (if (= (vlax-get-property each
                                 "Plottable"
                      ) :vlax-false
                       )
                     (setq out (cons (vla-get-name each) out))
                   )
  )
  out
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-layer-frozen-p (lname)
;;;  ;;;
;;; description: returns t or nil if named layer is currently frozen
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-layer-frozen-p (lname / each)
  (if (and
    (setq fl (vlex-listlayers-frozen)) ; any frozen layers?
    (member (strcase lname) (mapcar
                  'strcase
                  fl
                )
    )
      )
    t
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-setlweight (obj intlwt)
;;;  ;;;
;;; description: set lineweight index property for given object (or layer)
;;;  ;;;
;;; example:
;;;  ;;;
;;; notes:                                      ;;;
;;;   "bylwdefault" = -3                              ;;;
;;;   "byblock" = -2                                  ;;;
;;;   "bylayer" = -1                                  ;;;
;;;   other values are 0, 5, 9, 13, 15, 18, 20, 25, 30, 35, 40, 50, 53, 60,
;;;  ;;;
;;;   70, 80, 90, 100, 106, 120, 140, 158, 200, 211                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-setlweight (obj intlwt)
  (cond
    ((member intlwt '(0 5 9 13 15 18 20 25 30 35 40 50 60 70 80 90 100 106
            120 140 158 200 211
             )
     )
      (vla-put-lineweight obj inelwt)
      t                       ; return true
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-definelayer (strname intcolor strltype boolecur)
;;;  ;;;
;;; description: returns name if named layer is correctly created.
;;;  ;;;
;;; example: (vlex-definelayer "mylayer1" 3 "dashed" t)
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-definelayer (strname intcolor strltype boolecur / iloc obj out)
  (cond
    ((not (tblsearch "layer" strname))
      (setq obj (vla-add (vlex-layertable) strname))
      (setq iloc (vl-position strname (vlex-listlayers)))
      (cond
    ((vlax-write-enabled-p obj)
      (if intcolor
        (vla-put-color obj intcolor)
      )
      (if strltype
        (vlex-apply-ltype obj strltype)
      )
    )
    (t
      (princ "nUnable to modify object properties...")
    )
      )                       ; cond
      (if boolecur
    (vla-put-activelayer (vlex-activedocument) (vla-item
                                 (vlex-layertable)
                                 iloc
                           )
    )
      )
      (setq out strname)
    )
    (t
      (princ (strcat "nLayer already exists: " strname))
    )
  )
  out
)
;;; selection sets -->>
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-ssetexists-p (name)
;;;  ;;;
;;; notes: boolean test if selection set <name> exists in drawing session
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-ssetexists-p (name)
  (not (vl-catch-all-error-p (vl-catch-all-apply 'vla-item (list
                                 (vla-get-selectionsets
                                            (vlex-activedocument)
                                 ) name
                               )
                 )
       )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-selectbytype (objtype)
;;;  ;;;
;;; notes: return selection set of objects by type (string value)
;;;  ;;;
;;; example: (setq myset (vlex-selectbytype "circle"))                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-selectbytype (objtype / ss)
  (if (vlex-ssetexists-p "%TEMP_SET")
    (vla-delete (vla-item (vla-get-selectionsets
                         (vlex-activedocument)
              ) "%TEMP_SET"
        )
    )
  )
  (setq ss (vla-add (vla-get-selectionsets (vlex-activedocument))
            "%TEMP_SET"
       )
  )
  (vla-select ss acselectionsetall nil nil (vlex-intlist->vararray
                                   (list 0)
                       )
          (vlex-varlist->vararray (list objtype))
  )
  ss
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-selectonscreen-filter (groupcodes filterlists)
;;;  ;;;
;;; notes: return selection set by filtering during on-screen selection
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-selectonscreen-filter (groupcodes filterlists / ss)
  (if (vlex-ssetexists-p "%TEMP_SET")
    (vla-delete (vla-item (vla-get-selectionsets
                         (vlex-activedocument)
              ) "%TEMP_SET"
        )
    )
  )
  (setq ss (vla-add (vla-get-selectionsets (vlex-activedocument))
            "%TEMP_SET"
       )
  )
  (vla-select ss acselectionsetall nil nil (vlex-intlist->vararray groupcodes)
          (vlex-varlist->vararray filterlists)
  )
  ss
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-pickcircles
;;;  ;;;
;;; notes: return selection set of circles on layer "0" only
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-pickcircles ()
  (if (setq ss (vlex-selectonscreen-filter '(0 8) '("CIRCLE" "0")))
    (vlax-for item ss (princ (vla-get-objectname item)) (terpri))
  )                       ; if
  (terpri)
  ss
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getcircles
;;;  ;;;
;;; notes: return selection set of circle objects only
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun c:getcircles ()
  (if (setq ss (vlex-selectbytype "CIRCLE"))
    (vlax-for item ss (princ (vla-get-objectname item)) (terpri))
  )
  ss
)
;;; profiles . . . -->>
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profiles ()
;;;  ;;;
;;; notes: get profiles collection object                                 ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profiles ()
  (vla-get-profiles (vlex-acadprefs))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profilereload (name argname)
;;;  ;;;
;;; notes: import profile from arg to replace existing profile definition
;;;  ;;;
;;; example: (vlex-profilereload "profile1" "c:profilesprofile1.arg")
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profilereload (name argname)
  (cond
    ((= (vlax-get-property (vlex-profiles) 'activeprofile) name) ; or
                       ; following code.
                       ; (= (vla-get-activeprofile
                       ; (vlex-profiles)) name)
      (princ "nCannot delete a profile that is in use.")
    )                       ;
    ((and
       (vlex-profileexists-p name)
       (findfile argname)
     )
      (vlex-profiledelete name)
      (vlex-profileimport name argname)
      (vla-put-activeprofile (vlex-profiles) name)
    )                       ;
    ((and
       (not (vlex-profileexists-p name))
       (findfile argname)
     )
      (vlex-profileimport name argname)
      (vla-put-activeprofile (vlex-profiles) name)
    )                       ;
    ((not (findfile argname))
      (princ (strcat "nCannot locate ARG source: " argname))
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profileexportx (pname argfile)
;;;  ;;;
;;; notes: export an existing profile to a new external .arg file
;;;  ;;;
;;; example: (vlex-profileexportx "profile1" "c:/profiles/profile1.arg")
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profileexportx (pname argfile)
  (cond
    ((vlex-profileexists-p pname)
      (vlax-invoke-method (vlex-profiles) 'exportprofile pname argfile
              (vlax-make-variant 1 :vlax-vbboolean)    ; == true
      )
    )                       ;
    (t
      (princ "nNo such profile exists to export.")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profilecopy (name1 name2)
;;;  ;;;
;;; notes: copies an existing profile to a new profile
;;;  ;;;
;;; example: (vlex-profilecopy pname newname)
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profilecopy (name1 name2)
  (cond
    ((and
       (vlex-profileexists-p name1)
       (not (vlex-profileexists-p name2))
     )
      (vlax-invoke-method (vlex-profiles) 'copyprofile name1 name2)
    )                       ;
    ((not (vlex-profileexists-p name1))
      (princ "nError: No such profile exists.")
    )                       ;
    ((vlex-profileexists-p name2)
      (princ "nProfile already exists, copy failed.")
    )
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profilerename (oldname newname)
;;;  ;;;
;;; notes: renames an existing profile
;;;  ;;;
;;; example: (vlex-profilerename oldname newname)
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profilerename (oldname newname)
  (cond
    ((and
       (vlex-profileexists-p oldname)
       (not (vlex-profileexists-p newname))
     )
      (vlax-invoke-method (vlex-profiles) 'renameprofile oldname newname)
    )                       ;
    (t
      (princ)
    )                       ; add your error handling here?
  )                       ; cond

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-profilereset (strname)
;;;  ;;;
;;; notes: reset given profile to default settings
;;;  ;;;
;;; example: (vlex-profilereset "profile1")
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-profilereset (strname)
  (if (vlex-profileexists-p strname)
    (vlax-invoke-method (vlex-profiles) 'resetprofile strname)
    (princ (strcat "nProfile [" strname "] does not exist."))
  )                       ; endif

)
;;; application state . . . -->>
;;; these functions provide interaction with the acadapplication object to
;;; enable
;;; control over the window state and visibility of the session object
;;; itself.
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-getwindowstate ()
;;;  ;;;
;;; notes: get the autocad application window state
;;;  ;;;
;;;        enumerated constants (vb/vba): acenum 1=min 2=normal 3=max
;;;  ;;;
;;; example: (vlex-getwindowstate) return 1, 2 or 3
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-getwindowstate ()
  (vla-get-windowstate (vlex-acadobject))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-setwindowstate ()
;;;  ;;;
;;; notes: modify the autocad application window state
;;;  ;;;
;;;        enumerated constants (vb/vba): acenum 1=min 2=normal 3=max
;;;  ;;;
;;; example: (vlex-setwindowstate 3) maximizes the window display
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-setwindowstate (acenum)
  (vla-put-windowstate (vlex-acadobject) acenum)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-hideautocad ()
;;;  ;;;
;;; notes: hide autocad application
;;;  ;;;
;;; example: (vlex-hideautocad)                                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-hideautocad ()
  (vla-put-visible (vlex-acadobject) :vlax-false)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-showautocad ()
;;;  ;;;
;;; notes: display autocad application (if hidden)
;;;  ;;;
;;; example: (vlex-showautocad)                                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-showautocad ()
  (vla-put-visible (vlex-acadobject) :vlax-true)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-hideshowtest (delay-time)
;;;  ;;;
;;; notes: temporarily hides autocad applicaiton to demonstrate the two
;;;  ;;;
;;;        functions given above. time value is in milliseconds.          ;;;
;;; example: (vlex-hideshowtest 500)                              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-hideshowtest (delay-time)
  (vlex-hideautocad)               ; hide autocad...
  (vl-cmdf "delay" delay-time)           ; wait for <x> milliseconds...
  (vlex-showautocad)               ; show autocad again

)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-docprefs ()                                              ;;;
;;; notes: provides object access to document/database-preferences
;;; collection ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-docprefs ()
  (vla-get-preferences (vlex-activedocument))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-lwdisplayon/off ()
;;; ;;;
;;; notes: turn lineweight display setting on or off                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-lwdisplayon ()
  (vla-put-lineweightdisplay (vlex-docprefs) :vlax-true)
)
(defun vlex-lwdisplayoff ()
  (vla-put-lineweightdisplay (vlex-docprefs) :vlax-false)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-objectsorbysnapon/off ()                              ;;;
;;; notes: turn object-sort (sortents) option for "sort by snap" on or off
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-objectsortbysnapon ()
  (vla-put-objectsortbysnap (vlex-docprefs) :vlax-true)
)
(defun vlex-objectsortbysnapoff ()
  (vla-put-objectsortbysnap (vlex-docprefs) :vlax-false)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-xrefediton/off ()                                    ;;;
;;; notes: turn xref editing option on or off                      ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-xrefediton ()
  (vla-put-xrefedit (vlex-docprefs) :vlax-true)
)
(defun vlex-xrefeditoff ()
  (vla-put-xrefedit (vlex-docprefs) :vla-false)
  ]
)
;;; menus & toolbars. . . -->>
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-menugroups ()                                         ;;;
;;; notes: returns vla-object for menugroups collection                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-menugroups ()
  (vla-get-menugroups (vlex-acadobject))
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-menugroups-listall ()                                       ;;;
;;; notes: returns a list of all defined menugroups names              ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-menugroups-listall (/ out)
  (vlax-for each (vlex-menugroups) (setq out (cons (vla-get-name each) out)))
  (reverse out)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-menugroup-exists-p ()                                       ;;;
;;; notes: returns ordinal position of menugroup name in collection(list)
;;; of  ;;;
;;;        all currently defined menugroups. if not found, returns 'nil'
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-menugroup-exists-p (name)
  (if (member (strcase name) (mapcar
                   'strcase
                   (vlex-menugroups-listall)
                 )
      )
    (vl-position name (vlex-menugroups-listall))
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbars (mgroup)                                       ;;;
;;; notes: returns vla-object(collection object) for all toolbars
;;; associated  ;;;
;;;        with a given menugroup. if menugroup is not found, returns nil.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbars (mgroup)
  (if (vlex-menugroup-exists-p mgroup)
    (vla-get-toolbars (vla-item (vlex-menugroups) (vl-position
                                   (strcase mgroup)
                                   (mapcar
                                 'strcase
                                 (vlex-menugroups-listall)
                                   )
                          )
              )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbars-listall (mgroup)
;;; ;;;
;;; notes: returns a list of all toolbar names for a given menugroup. if
;;;  ;;;
;;;        menugroup not found, or if no toolbars are found for menugroup,
;;;  ;;;
;;;        returns 'nil
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbars-listall (mgroup / tb out)
  (if (setq tb (vlex-toolbars mgroup))
    (vlax-for each tb (setq out (cons (vla-get-name each) out)))
  )
  (reverse out)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbar-exists-p (mgroup tbname)                          ;;;
;;; notes: returns ordinal position of toolbar name with menugroup toolbars
;;;  ;;;
;;;        collection. if menugroup is not found, or if toolbar name is not
;;;  ;;;
;;;        found in collection, returns 'nil'.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbar-exists-p (mgroup tbname)
  (if (and
    (vlex-menugroup-exists-p mgroup)
    (member (strcase tbname) (mapcar
                   'strcase
                   (vlex-toolbars-listall mgroup)
                 )
    )
      )
    (vl-position tbname (vlex-toolbars-listall mgroup))
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbar (mgroup tbname / loc)                               ;;;
;;; notes: returns vla-object to given(named) toolbar within a given
;;;  ;;;
;;;        menugroup. if menugroup or toolbar not found, returns 'nil'.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbar (mgroup tbname / loc)
  (if (setq loc (vlex-toolbar-exists-p mgroup tbname))
    (vla-item (vlex-toolbars mgroup) loc)
  )
)
;;; ************************************************************************
;;; *****;;;
;;; module: vlex-toolbar-show (mgroup tbname / tb)                            ;;;
;;; notes: show a given toolbar(set "visible" to "true"), given a menugroup
;;;    ;;;
;;; and toolbar name to apply this to. returns t if successful, 'nil'
;;; otherwise.;;;
;;; ************************************************************************
;;; *****;;;
(defun vlex-toolbar-show (mgroup tbname / tb)
  (if (setq tb (vlex-toolbar mgroup tbname))
    (if (= (vla-get-visible tb) :vlax-false)
      (progn
    (vla-put-visible tb :vlax-true)
    t
      )
    )
  )
)
;;; ************************************************************************
;;; *****;;;
;;; module: vlex-toolbar-hide (mgroup tbname / tb)                            ;;;
;;; notes: hide a given toolbar(set "visible" to "true"), given a menugroup
;;;    ;;;
;;; and toolbar name to apply this to. returns t if successful, 'nil'
;;; otherwise.;;;
;;; ************************************************************************
;;; *****;;;
(defun vlex-toolbar-hide (mgroup tbname / tb)
  (if (setq tb (vlex-toolbar mgroup tbname))
    (if (= (vla-get-visible tb) :vlax-true)
      (progn
    (vla-put-visible tb :vlax-false)
    t
      )
    )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbar-dock (mgroup tbname dock)
;;;  ;;;
;;; description: dock a given toolbar along top, bottom, left or right
;;; edged  ;;;
;;; of window.
;;;  ;;;
;;; notes: allowable <dock> values are 0(top), 1(bottom), 2(left),
;;;  ;;;
;;;        and 3(right). returns 1 if successful, -1 if toolbar is not
;;;  ;;;
;;;        visible, -2 if parameter is invalid, or 0 if toolbar not found.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbar-dock (mgroup tbname dock / tb)
  (if (setq tb (vlex-toolbar mgroup tbname))
    (if (= (vla-get-visible tb) :vlax-true)
      (if (member dock '(0 1 2 3))
    (progn
      (vlax-invoke-method tb 'dock dock)
      1
    )
    -2                   ; invalid dockstatus parameter
      )
      -1                   ; toolbar not visible
    )
    0                       ; toolbar not found
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-toolbar-folat (mgroup tbname top left rows)
;;;  ;;;
;;; description: float a given toolbar at specified position(top and left)
;;;  ;;;
;;;   and display with specified number of rows. returns 1 if successful,
;;;  ;;;
;;;   -1 if toolbar is not visible, 0 if toolbar is not found.
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-toolbar-folat (mgroup tbname top left rows)
  (if (setq tb (vlex-toolbar mgroup tbname))
    (if (= (vla-get-visible tb) :vlax-true)
      (progn
    (vlax-invoke-method tb 'float top left rows)
    1
      )
      -1                   ; toolbar not visible
    )
    0                       ; toolbar not found
  )
)
;;; reactors. . . -->>
;;; summary of reactor types and events                                ;;;
;;;         reactor                events                        ;;;
;;;     vlr-dwg-reactor            : vlr-beginclose                    ;;;
;;;                     : vlr-begindwgopen                    ;;;
;;;                     : vlr-beginsave                        ;;;
;;;                     : vlr-enddwgopen                    ;;;
;;;                     : vlr-savecomplete                    ;;;
;;;                                                 ;;;
;;;     vlr-lisp-reactor        : vlr-lispended                        ;;;
;;;                     : vlr-lispcancelled                    ;;;
;;;                     : vlr-lispwillstart (first line of lisp code string)    ;;;
;;;                                                 ;;;
;;;     vlr-command-reator        : vlr-commandwillstart                    ;;;
;;;                     : vlr-commandended                     ;;;
;;;                     : vlr-commandcancelled                    ;;;
;;;                     : vlr-commandfailed                    ;;;
;;;                                                 ;;;
;;;     vlr-mouse-reactor        : vlr-begindoubleclick                    ;;;
;;;                     : vlr-beginrightclick                    ;;;
;;;         other reactor types...
;;;         vlr-object-reactor        ;;;
;;;         vlr-linker-reactor        ;;;
;;;         vlr-acdb-reactor        ;;;
;;;         vlr-editor-reactor        ;;;
;;;         vlr-dxf-reactor            ;;;
;;;         vlr-undo-reactor        ;;;
;;;         vlr-toolbar-reactor        ;;;
;;;         vlr-sysvar-reactor        ;;;
;;;         vlr-wblock-reactor        ;;;
;;;         vlr-window-reactor        ;;;
;;;         vlr-xref-reactor        ;;;
;;;         vlr-miscellaneous-reactor    ;;;
;;;                                                 ;;;
;;;                                                 ;;;
;;; ************************************************************************
;;; ***;;;
;;; example: function examples using command-reactors and dwg-reactors
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
;;; (vlr-command-reactor  ;; trap command events...
;;;  nil ; no data? yet?
;;;  ;; define call backs
;;;  '(
;;;    (:vlr-commandwillstart . trapcommandstart)
;;;    (:vlr-commandended . trapcommandended)
;;;    (:vlr-commandcancelled . trapcommandcancelled)
;;;    (:vlr-commandfailed . trapcommandfailed)
;;;  )
;;; )
;;;
;;; (vlr-dwg-reactor  ;; trap drawing session events...
;;;  nil ; no data? yet?
;;;  ;; define call backs
;;;  '(
;;;    (:vlr-beginclose . trapbegindwgclose)
;;;    (:vlr-beginsave . trapbeginsave)
;;;    (:vlr-savecomplete . trapsavecomplete)
;;;    (:vlr-begindwgopen . trapbegindwgopen)
;;;    (:vlr-enddwgopen . trapenddwgopen)
;;;  )
;;; )
;;; this is a vlr-command-reactor to commandwillstart                  ;;;
;;; it initializes currentcommandname global, used by other reactors
;;; ;;;
(defun trapcommandstart (reactor callbackdata) ; reset all reactor globals
  (setq #*someglobal* nil
    #*anotherglobal* nil
    currentcommandname (cond
                 ((car callbackdata))
                 ((getvar "CMDNAMES"))
               )
  )
  (cond
    ((= currentcommandname "PLOT")     ; do your stuff here, call another
                       ; function, etc.
                       ;
    )                       ;
    ((= currentcommandname "PRINT")    ; do your stuff here...
    )                       ;
    ((= (substr currentcommandname 1 3)) ; do your stuff here...
    )
    (t                       ;
      (prompt (strcat "nTesting " currentcommandname
              " CommandWillStart reactor..."
          )
      )
    )
    (t
      nil
    )
  )
  (princ)
)
;;; this is a good method for firing off routines when a drawing is closed.
;;;  ;;;
;;; i have used this to capture work information to save to database and
;;;  ;;;
;;; track contract hours per drawing, not just per acad session.          ;;;
(defun trapbegindwgclose (reactor callbackdata)    ; reset all reactor globals
                       ; to nil
  (setq #*someglobal* nil
    #*anotherglobal* nil
  )
  (cond
    (t
      (prompt (strcat currentcommandname " beginClose"))
      (cleanallreactors)
    )
  )
  (princ)
)
;;; remove all references to reactors from given event types...              ;;;
(defun cleanallreactors ()
  (mapcar
    'vlr-remove-all
    '(:vlr-acdb-reactor :vlr-dwg-reactor :vlr-command-reactor
            :vlr-linker-reactor :vlr-object-reactor
            :vlr-mouse-reactor :vlr-lisp-reactor
     )
  )
)
;;; example using a simple command reactor to set a layer current whenever
;;; a  ;;;
;;; dimension command is executed. it restores the previous layer after the
;;;  ;;;
;;; command completes or if the command either is cancelled or fails for
;;; some ;;;
;;; reason (other than a genarl autocad failure like power loss).
;;;  ;;;
;;; funciton to define layer of given name.
;;; notes: you cannot issue a (command) or (vl-cmdf) function call within a
;;;  ;;;
;;;  command reactor. that would cause an infinite recursive loop.
;;; therefore, ;;;
;;;  you should make sure you define the layer before or outside of the
;;;  ;;;
;;;  reator callback function and simply issue a layer-set operation in the
;;;  ;;;
;;;  callback function.                                  ;;;
(setq g$layc (vlex-definelayer "DIMENSIONS" nil nil nil))
;;; make sure not to reload reactor attachments over top of each other!
;;;  ;;;
(defun vlex-load-command-reactors ()
  (if (null g$vlex1)
    (progn
      (vlr-command-reactor           ; trap command events...
               nil           ; no data? yet?
                       ; define call backs
               '((:vlr-commandwillstart . vlex-commandstart)
                (:vlr-commandended . vlex-commandended)
                (:vlr-commandcancelled . vlex-commandcancelled)
                (:vlr-commandfailed . vlex-commandfailed)
               )
      )
      (setq g$vlex1 t)
    )
  )
)
;;; (vlex-load-command-reactors)
;;; ************************************************************************
;;; ***;;;
;;;     react to command ending properly
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-commandended (reactor callbackdata)    ; reset all reactor
                       ; globals
  (setq #*someglobal* nil
    #*anotherglobal* nil
    currentcommandname (cond
                 ((car callbackdata))
                 ((getvar "CMDNAMES"))
               )
  )                       ; setq
  (cond
    ((= "DIM" (substr currentcommandname 1 3))
      (m2k_restorelayer)
    )
    (t
      nil
    )
  )
  (princ)
)
;;; ************************************************************************
;;; ***;;;
;;;     function to restore saved layer
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun m2k_restorelayer ()
  (if g$layx
    (setvar "clayer" g$layx)
  )
  (setq g$layx nil)
)
;;; ************************************************************************
;;; ***;;;
;;;     react to command getting ready to execute
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun trapcommandstart (reactor callbackdata) ; reset all reactor globals
  (setq #*someglobal* nil
    #*anotherglobal* nil
    currentcommandname (cond
                 ((car callbackdata))
                 ((getvar "CMDNAMES"))
               )
  )                       ; setq
  (cond
    ((= "DIM" (substr currentcommandname 1 3))
      (setq g$layx (getvar "clayer"))
      (cond
    ((and
       g$layc
       (tblsearch "layer" g$layc)
     )
      (setvar "clayer" g$layc)
    )
    (t
      (princ "nLayer (DIMENSIONS) has not been defined.")
    )
      )
    )
    (t
      nil
    )
  )
  (princ)
)
;;; ************************************************************************
;;; ***;;;
;;;     react to cancelled command
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-commandcancelled (reactor callbackdata)
  (m2k_restorelayer)
  (princ)
)
;;; ************************************************************************
;;; ***;;;
;;;     react to failed command
;;; ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-commandfailed (reactor callbackdata)
  (m2k_restorelayer)
  (princ)
)
;;; visual lisp custom functions. . . -->>
;;; ************************************************************************
;;; ***;;;
;;; module:    ex:2dpoint (pt)
;;;  ;;;
;;; purpose:   converts an autolisp point into a 2d activex point
;;;  ;;;
;;; arguments: a point list (2d or 3d)
;;;  ;;;
;;; example:   (ex:2dpoint (getpoint))
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun ex:2dpoint (pt)
  (vl-load-com)
  (vlax-make-variant (vlax-safearray-fill (vlax-make-safearray vlax-vbdouble
                                   '(0 . 1)
                      ) (list (car pt) (cadr pt))
             )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module:    ex:activatelastlayout ()
;;;  ;;;
;;; purpose:   activates the rightmost layout tab
;;;  ;;;
;;; arguments: none                                                      ;;;
;;; example:                                      ;;;
;;; notes:     none                                  ;;;
;;; debug:     nil                                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun ex:activatelastlayout (/ i layouts cnt layout)
  (vl-load-com)
  (setq i -1
    layouts (vla-get-layouts (vla-get-activedocument
                             (vlax-get-acad-object)
                 )
        )
    cnt (1- (vla-get-count layouts))
  )                       ; setq
  (vlax-for layout layouts (if (= (vla-get-taborder layout) 1)
                 (vla-activate layout)
               )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module:    selectionsettoarray (ss / c r)
;;;  ;;;
;;; purpose:   returns an variant array of subtype object filled with the
;;;  ;;;
;;;            contents of a selection set
;;;  ;;;
;;; example:   (selectionsettoarray myss)                      ;;;
;;; arguments: a selection set                              ;;;
;;; notes:     1. use this whenever you need to pass a selection set as an
;;;  ;;;
;;;               array to an activex function                      ;;;
;;;            2. if you need a different subtype, simply change the
;;; reference;;;
;;;               to vlax-vbobject                          ;;;
;;; debug:     nil                                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun selectionsettoarray (ss / c r)
  (vl-load-com)
  (setq c -1)
  (repeat (sslength ss)
    (setq r (cons (ssname ss (setq c (1+ c))) r))
  )
  (setq r (reverse r))
  (vlax-safearray-fill (vlax-make-safearray vlax-vbobject (cons 0
                                (1-
                                    (length r)
                                )
                              )
               ) (mapcar
               'vlax-ename->vla-object
               r
             )
  )
)
;;; ************************************************************************
;;; ***;;;
;;; module:    ex:addobjectstoblock (blk ss)
;;;  ;;;
;;; purpose:   adds a selection set of objects to an existing block
;;; definition;;;
;;; arguments: the entity name of a block insert and a selection set
;;;  ;;;
;;; example:   (ex:addobjectstoblock (car (entsel)) (ssget))              ;;;
;;; notes:     existing block references will not show a change until you
;;;  ;;;
;;;            regen the drawing                          ;;;
;;; debug:     t                                  ;;;
;;; ************************************************************************
;;; ***;;;
(defun ex:addobjectstoblock (blk ss / doc blkref blkdef inspt refpt)
  (vl-load-com)
  (setq doc (vla-get-activedocument (vlax-get-acad-object))
    blkref (vlax-ename->vla-object blk)
    blkdef (vla-item (vla-get-blocks doc) (vla-get-name blkref))
    inspt (vlax-variant-value (vla-get-insertionpoint blkref))
    ssarray (selectionsettoarray ss)
    refpt (vlax-3d-point '(0 0 0))
  )
  (foreach ent (vlax-safearray->list ssarray)
    (vla-move ent inspt refpt)
  )
  (vla-copyobjects doc ssarray blkdef)
  (foreach ent (vlax-safearray->list ssarray)
    (vla-delete ent)
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:mappedshare (share / fso drives drive letter)
;;;             ;;;
;;; purpose:   returns the logical drive letter to which a network share is
;;; mapped       ;;;
;;; arguments: a unc path                                         ;;;
;;; example:   (ex:mappedshare "myservermyshare")
;;;         ;;;
;;; notes:     1. be sure to substitute two backslashes for every one in
;;; the unc path    ;;;
;;;            2. this routine requires the use scrrun.dll. visite the
;;;             ;;;
;;;               microsoft scripting web site if you do not have it.
;;;             ;;;
;;; debug:     nil                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:mappedshare (share / fso drives drive letter)
  (vl-load-com)
  (setq fso (vlax-create-object "Scripting.FileSystemObject"))
  (vlax-for drive (setq drives (vlax-get-property fso 'drives))
        (if (= (strcase (vlax-get-property drive 'sharename))
           (strcase share)
        )
          (setq letter (vlax-get-property drive 'driveletter))
        )
  )
  (vlax-release-object drives)
  (vlax-release-object fso)
  letter
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:buildfilter (filter)                                         ;;;
;;; purpose:   returns a list containing a pair of variants for use as
;;; ;;;
;;;            activex selection set filters                         ;;;
;;; arguments: a unc path                                         ;;;
;;; example:   (ex:buildfilter '((0 . "lwpolyline") (8 . "walls")))
;;;             ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:buildfilter (filter)
  (vl-load-com)
  (mapcar
    '(lambda (lst typ)
       (vlax-make-variant (vlax-safearray-fill (vlax-make-safearray typ
                                    (cons 0
                                      (1-
                                          (length lst)
                                      )
                                    )
                           ) lst
              )
       )
     )
    (list (mapcar
        'car
        filter
      ) (mapcar
          'cdr
          filter
        )
    )
    (list vlax-vbinteger vlax-vbvariant)
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:centroid (poly / pl ms va reg cen)
;;;   ;;;
;;; purpose:   returns the centroid of a closed polyline                      ;;;
;;; arguments: the entity name of a closed, planar polyline
;;;  ;;;
;;; example:   (ex:centroid (car (entsel)))                                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:centroid (poly / pl ms va reg cen)
  (vl-load-com)
  (setq pl (vlax-ename->vla-object poly)
    ms (vla-get-modelspace (vla-get-activedocument
                               (vlax-get-acad-object)
                   )
       )
    va (vlax-make-safearray vlax-vbobject '(0 . 0))
  )
  (vlax-safearray-put-element va 0 pl)
  (setq reg (car (vlax-safearray->list (vlax-variant-value
                               (vla-addregion ms va)
                       )
         )
        )
    cen (vla-get-centroid reg)
  )
  (vla-delete reg)
  (vlax-safearray->list (vlax-variant-value cen))
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:changeattributes (lst / item atts)
;;;   ;;;
;;; purpose:   modifies the specified attribute in the specified block
;;; reference         ;;;
;;; arguments: a list containing one atom and one or more dotted pairs.
;;;      ;;;
;;;            the atom is the entity name of the block to change.             ;;;
;;;            the dotted pairs consist of the attribute tag and the new
;;; value for that attribute.
;;; example:   (ex:changeattributes (list ename '("myattribute" .
;;; "newvalue")))          ;;;
;;; notes:     1. thanks to chuck balmer for spotting the bug in this
;;; routine.         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:changeattributes (lst / item atts)
  (vl-load-com)
  (if (safearray-value (setq atts (vlax-variant-value
                              (vla-getattributes
                                     (vlax-ename->vla-object
                                                 (car lst)
                                     )
                              )
                  )
               )
      )
    (progn
      (foreach item (cdr lst)
    (mapcar
      '(lambda (x)
         (if (= (strcase (car item)) (strcase
                          (vla-get-tagstring x)
                     )
         )
           (vla-put-textstring x (cdr item))
         )
       )
      (vlax-safearray->list atts)
    )
      )
      (vla-update (vlax-ename->vla-object (car lst)))
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:changebitmap (mnugroup tbrname btnname bitmap)
;;;             ;;;
;;; purpose:   changes the button top for the specified toobar button
;;; ;;;
;;; arguments: the name of the menu group, the name of the toolbar,              ;;;
;;;            the name of the toolbar button and the bitmap to use             ;;;
;;; example:   (ex:changebitmap "acad" "dimension" "linear dimension"
;;; "test.bmp")        ;;;
;;; notes:     1. if the bitmap is not in the autocad search path, you must
;;; specify      ;;;
;;;               the full path to file                             ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:changebitmap (mnugroup tbrname btnname bitmap)
  (vl-load-com)
  (vla-setbitmaps (vla-item (vla-item (vla-get-toolbars (vla-item
                                  (vla-get-menugroups
                                              (vlax-get-acad-object)
                                  ) mnugroup
                            )
                      ) tbrname
                ) btnname
          ) bitmap bitmap
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:closeall ()                                                  ;;;
;;; purpose:   closes all open documents without saving                        ;;;
;;; arguments: none                                     ;;;
;;; example:                                                ;;;
;;; notes:                                                  ;;;
;;; author:    frank whaley                                 ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:closeall (/ item cur)
  (vl-load-com)
  (vlax-for item (vla-get-documents (vlax-get-acad-object)) (if (=
                                   (vla-get-active item) :vlax-false
                                )
                                  (vla-close item :vlax-false)
                                  (setq cur item)
                                )
  )
  (vla-sendcommand cur "_.CLOSE")
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:deleteobjectfromblock (ent)
;;; ;;;
;;; purpose:   deletes the specified subentity from a block definition and
;;; returns the     ;;;
;;;            remaining of items in that block definition                 ;;;
;;; arguments: the entity name of the subentity to delete                 ;;;
;;; example:   (ex:deleteobjectfromblock (car (nentsel)))                     ;;;
;;; notes:     1. as shown, you can use the nentsel function to obtain the
;;; name of an entity within a block.
;;;            2. existing block reference will not show a change until you
;;; regen the drawing.
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:deleteobjectfromblock (ent / doc blk)
  (vl-load-com)
  (setq doc (vla-get-activedocument (vlax-get-acad-object))
    ent (vlax-ename->vla-object ent)
    blk (vla-objectidtoobject doc (vla-get-ownerid ent))
  )
  (vla-delete ent)
  (vla-get-count blk)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:drawvpborder (vp / ll ur coords pl)
;;;      ;;;
;;; purpose:   draws a rectangle representing the area displayed by a paper
;;; space viewport ;;;
;;; arguments: the entity name of a paper space view port                 ;;;
;;; example:   (ex:drawvpborder (car (entsel)))                             ;;;
;;; notes:     1. the return value is the entity name of the newly created
;;; lwpolyline    ;;;
;;;            2. the layout containing the viewport to be drawn must be
;;; active         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:drawvpborder (vp / ll ur coords pl)
  (vl-load-com)
  (setq vp (vlax-ename->vla-object vp))
  (vla-getboundingbox vp 'll 'ur)
  (setq ll (trans (vlax-safearray->list ll) 3 2)
    ur (trans (vlax-safearray->list ur) 3 2)
    coords (vlax-safearray-fill (vlax-make-safearray vlax-vbdouble
                             (cons 0 7)
                    ) (list (nth 0 ll) (nth 1 ll)
                        (nth 0 ur) (nth 1 ll)
                        (nth 0 ur) (nth 1 ur)
                        (nth 0 ll) (nth 1 ur)
                      )
           )
  )
  (vla-put-closed (setq pl (vla-addlightweightpolyline
                               (vla-get-modelspace
                                       (vla-get-document vp)
                               ) coords
               )
          )
          :vlax-true
  )
  (vlax-vla-object->ename pl)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:drivetype (drv)                                           ;;;
;;; purpose:   returns a string identifying the type of drive specified
;;;             ;;;
;;; arguments: a drive letter                                 ;;;
;;; example:   (mapcar 'ex:drivetype (ex:listdrives))                         ;;;
;;; notes:     1. this routine requires the use scrrun.dll.                  ;;;
;;;               visit the microsoft scripting web site if you do not have
;;; it.         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:drivetype (drv / fso drives drive typ)
  (vl-load-com)
  (setq fso (vlax-create-object "Scripting.FileSystemObject"))
  (if (vlax-invoke-method fso 'driveexists drv)
    (progn
      (setq drives (vlax-get-property fso 'drives)
        drive (vlax-get-property drives 'item drv)
        typ (vlax-get-property drive 'drivetype)
      )
      (vlax-release-object drive)
      (vlax-release-object drives)
      (vlax-release-object fso)
      (nth typ '("UNKNOWN" "REMOVABLE"
        "FIXED" "REMODTE"
        "CDROM" "RAMDISK"
       )
      )
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listdrives (drv)                                           ;;;
;;; purpose:   returns a list containing all logical drives currently
;;; defined            ;;;
;;; arguments: none                                     ;;;
;;; example:                                                ;;;
;;; notes:     1. this routine requires the use scrrun.dll.                  ;;;
;;;               visit the microsoft scripting web site if you do not have
;;; it.         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listdrives (/ fso drive drives lst)
  (vl-load-com)
  (setq fso (vlax-create-object "Scripting.FileSystemObject"))
  (vlax-for drive (setq drives (vlax-get-property fso 'drives))
        (setq lst (cons (vlax-get-property drive 'driveletter) lst))
  )
  (vlax-release-object drives)
  (vlax-release-object fso)
  (reverse lst)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:parse (str delim / lst pos)                                     ;;;
;;; purpose:   returns a list containing all tokens in a delimited string
;;;             ;;;
;;; arguments: a delimited string and the delimiter character.                ;;;
;;; example:   (ex:parse (getenv "acad") ";")                             ;;;
;;; notes:     1. autolisp does not correctly interpret any character code
;;; outside the   ;;;
;;;               range of 1 to 255, so you cannot parse a null delimited
;;; string.        ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:parse (str delim / lst pos token)
  (setq pos (vl-string-search delim str))
  (while pos
    (setq lst (cons (if (= (setq token (substr str 1 pos))
               delim
            )
              nil
              token
            ) lst
          )
      str (substr str (+ pos 2))
      pos (vl-string-search delim str)
    )
  )
  (if (> (strlen str) 0)
    (setq lst (cons str lst))
  )
  (reverse lst)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:exportproject (pname fname)                                     ;;;
;;; purpose:   exports the specified project to disk                             ;;;
;;; arguments: the name of a project and the full path to a file             ;;;
;;; example:   (ex:exportproject "johnson" "c:tempproject.txt")
;;;  ;;;
;;; notes:     1. if the specified file exists, it will be overwritten
;;; ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:exportproject (pname fname / fh prj)
  (vl-load-com)
  (setq fh (open fname "w"))
  (if (setq prj (vl-registry-read (strcat "HKEY_CURRENT_USER"
                      (vlax-product-key) "Profiles"
                      (getvar "CPROFILE")
                      "Project Settings" pname
                  ) "RefSearchPath"
        )
      )
    (progn
      (write-line (strcat "[" pname "]") fh)
      (foreach folder (ex:parse prj ";")
    (write-line folder fh)
      )
    )
    (princ "nThe specified windows registry key is not exists.")
  )
  (close fh)
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:importtproject (fname)                                     ;;;
;;; purpose:   imports a project exported by ex:exportproject
;;;    ;;;
;;; arguments: the full path to a file containing an exported project
;;; ;;;
;;; example:   (ex:importproject "c:tempproject.txt")                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:importproject (fname / pname fh l lst)
  (vl-load-com)
  (if (setq fh (open fname "r"))
    (progn
      (setq pname (read-line fh)
        pname (substr pname 2 (- (strlen pname) 2))
        lst ""
      )
      (while (setq l (read-line fh))
    (setq lst (strcat lst l ";"))
      )
      (vl-registry-write (strcat "HKEY_CURRENT_USER"
                 (vlax-product-key) "Profiles"
                 (getvar "CPROFILE") "Project Settings"
                 pname
             ) "RefSearchPath" (substr lst 1 (1-
                                 (strlen lst)
                             )
                       )
      )
      (close fh)
    )
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getattributes (ent)                                         ;;;
;;; purpose:   returns a list of attribute tags, associated values and
;;; entity names      ;;;
;;; arguments: the entity name os an attributed block                     ;;;
;;; example:   (ex:getattributes (car (entsel))                             ;;;
;;; notes:     1. you can use the entity name in each sublist to update a
;;; given attribute;;;
;;;            2. if there are no editable attributes in the given block,
;;; this function returns nil.
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getattributes (ent / lst)
  (vl-load-com)
  (if (safearray-value (setq lst (vlax-variant-value
                             (vla-getattributes
                                    (vlax-ename->vla-object ent)
                             )
                 )
               )
      )
    (mapcar
      '(lambda (x)
     (list (vla-get-tagstring x) (vla-get-textstring x)
           (vlax-vla-object->ename x)
     )
       )
      (vlax-safearray->list lst)
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getboundingbox (ent)                                         ;;;
;;; purpose:   returns the extents of an individual entity                 ;;;
;;; arguments: an entity name                                 ;;;
;;; example:   (ex:getboundingbox (car (entsel)))                         ;;;
;;; notes:     1. do not use this routine wity xlines or rays                 ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getboundingbox (ent / ll ur)
  (vl-load-com)
  (vla-getboundingbox (vlax-ename->vla-object ent) 'll 'ur)
  (mapcar
    'vlax-safearray->list
    (list ll ur)
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getconstantattributes (ent)                                    ;;;
;;; purpose:   returns a list of constant attributes tags and their
;;; values         ;;;
;;; arguments: the entity name of a block with constant attributes             ;;;
;;; example:   (ex:getconstantattributes (car (entsel)))                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getconstantattributes (ent / atts)
  (vl-load-com)
  (cond
    ((and
       (safearray-value (setq atts (vlax-variant-value
                               (vla-getconstantattributes
                                          (vlax-ename->vla-object ent)
                               )
                   )
            )
       )
     )
      (mapcar
    '(lambda (x)
       (cons (vla-get-tagstring x) (vla-get-textstring x))
     )
    (vlax-safearray->list atts)
      )
    )                       ;
    (t
      (princ (strcat "nThe block reference "" (vla-get-name
                                  (vlax-ename->vla-object ent)
                        ) "\" doesn't include constant attributes tags and their values"
         )
      )
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getcurvelength (ent)                                     ;;;
;;; purpose:   returns the length of a curve                         ;;;
;;; arguments: the entity name of a line, arc, circle, polyline (heavy or
;;; lightweight).     ;;;
;;; example:   (ex:getcurvelength (car (entsel)))                         ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getcurvelength (curve /)
  (vl-load-com)
  (setq curve (vlax-ename->vla-object curve))
  (vlax-curve-getdistatparam curve (vlax-curve-getendparam curve))
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getfilesize (filename)                                        ;;;
;;; purpose:   returns the size of the specified file in bytes
;;; ;;;
;;; arguments: a string specifying the full path to a file                 ;;;
;;; example:   (ex:getfilesize "c:\autoexec.bat")                         ;;;
;;; notes:     1. there are reports of vl-file-size and acet-file-size
;;; malfunction on     ;;;
;;;               win2k systems. use this as a substitute. it requires
;;; scrrun.dll.     ;;;
;;;           visit the microsoft scripting web site if you do not have it.         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getfilesize (filename / fso file size)
  (vl-load-com)
  (if (findfile filename)
    (progn
      (setq fso (vlax-create-object "Scripting.FileSystemObject")
        file (vlax-invoke-method fso 'getfile filename)
        size (vlax-variant-value (vlax-get-property file 'size))
      )
      (vlax-release-object file)
      (vlax-release-object fso)
    )
  )
  size
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getlastheight (style)                                        ;;;
;;; purpose:   returns the last height used for a given text style
;;; ;;;
;;; arguments: the name of a text style                             ;;;
;;; example:   (ex:setlastheight "standard" (* (ex:getlastheight
;;; "standard") 2.0))     ;;;
;;; notes:     1. the example sets the standard text style height to twice
;;; whatever it was before ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getlastheight (style)
  (vl-load-com)
  (vla-get-lastheight (vla-item (vla-get-textstyles
                            (vla-get-activedocument
                                        (vlax-get-acad-object)
                            )
                ) style
              )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:setlastheight (style height)                                  ;;;
;;; purpose:   sets the default height for a variable-height text style
;;;      ;;;
;;; arguments: the name of a text style    whose height is 0 and a double
;;; indicating the     ;;;
;;;            default height to be used the next time a text command is
;;; invoke         ;;;
;;; example:   (ex:setlastheight "standard" 2.5)                      ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:setlastheight (style height)
  (vl-load-com)
  (vla-put-lastheight (vla-item (vla-get-textstyles
                            (vla-get-activedocument
                                        (vlax-get-acad-object)
                            )
                ) style
              ) height
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getparentblocks (blkname / doc)                               ;;;
;;; purpose:   returns a list conaining the entity names of any block
;;; definitions that   ;;;
;;;            reference the specified block                         ;;;
;;; arguments: a string identifying the block to search for                 ;;;
;;; example:   none                                      ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getparentblocks (blkname / doc)
  (vl-load-com)
  (setq doc (vla-get-activedocument (vlax-get-acad-object)))
  (apply
    'append
    (mapcar
      '(lambda (x)
     (if (= :vlax-false (vla-get-islayout (vla-objectidtoobject doc
                                    (vla-get-ownerid
                                             (vlax-ename->vla-object x)
                                    )
                          )
                )
         )
       (list x)
     )
       )
      (ex:listblockrefs blkname)
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listblockrefs (blkname / lst)                               ;;;
;;; purpose:   returns a list conaining the entity names of every reference
;;; to the specified block   ;;;
;;; arguments: a string identifying the block to search for                 ;;;
;;; example:   none                                      ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listblockrefs (blkname / lst)
  (setq lst (entget (cdr (assoc 330 (entget (tblobjname "block" blkname))))))
  (apply
    'append
    (mapcar
      '(lambda (x)
     (if (entget (cdr x))
       (list (cdr x))
     )
       )
      (repeat 2
    (setq lst (reverse (cdr (member (assoc 102 lst) lst))))
      )
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getplotdevices ()                                   ;;;
;;; purpose:   returns a list containing all available plot devices
;;;  ;;;
;;; arguments: none                                     ;;;
;;; example:   none                                      ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getplotdevices ()
  (vl-load-com)
  (vlax-safearray->list (vlax-variant-value (vla-getplotdevicenames
                                    (vla-item
                                          (vla-get-layouts
                                                   (vla-get-activedocument
                                                               (vlax-get-acad-object)
                                                   )
                                          ) "Model"
                                    )
                        )
            )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:petxdata (vlaobj xdata)                                   ;;;
;;; purpose:   attach extended entity data to an autocad object.
;;; ;;;
;;; arguments: an activex object and an extended entity data list in the
;;; same format as  ;;;
;;;            returned by getxdata.                             ;;;
;;; example:   (ex:putxdata myvlaobj '((1001 . "acadx") (1000 .
;;; "mystringdata")))     ;;;
;;; notes:     the extended entity data application names as noted in the
;;; 1001 group     ;;;
;;;            code must be registered with the autolisp function regapp
;;; prior to        ;;;
;;;            attaching data to an object. see the autocad help files for
;;; valid extended;;;
;;;            entity data codes and values.                             ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:putxdata (vlaobj xdata)
  (setq xdata (ex:buildfilter (mapcar
                '(lambda (item / key)
                   (setq key (car item))
                   (if (<= 1010 key 1033)
                     (cons key (vlax-variant-value
                                   (vlax-3d-point
                                          (cdr item)
                                   )
                           )
                     )
                     item
                   )
                 )
                xdata
                  )
          )
  )
  (vla-setxdata vlaobj (car xdata) (cadr xdata))
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:lisp-value (v)                                      ;;;
;;; purpose:   returns the lisp value of an activex variant.                     ;;;
;;; arguments: an activex variant or safearray.                             ;;;
;;; example:   (ex:lisp-value myvariant)                          ;;;
;;; notes:     this function will recursively dig into a safearray and
;;; convert all     ;;;
;;;            values, including nested safearray's, into a lisp value.
;;; ;;;
;;; author:    vladimir nesterovsky 2002                         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:lisp-value (v)
  (cond
    ((= (type v) 'variant)
      (ex:lisp-value (variant-value v))
    )
    ((= (type v) 'safearray)
      (mapcar
    'ex:lisp-value
    (safearray-value v)
      )
    )
    (t
      v
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:getxdata (vlaobj appid)                                  ;;;
;;; purpose:   get extended entity data attached to an autocad object.
;;;     ;;;
;;; arguments: an activex object and an application name that has been
;;; registed with     ;;;
;;;            the autolisp function regapp.                         ;;;
;;; example:   (ex:getxdata myvlaobj "acadx")                          ;;;
;;; notes:     returns a list of extended entity data attached to the
;;; object.         ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:getxdata (vlaobj appid / xtype xdata)
  (vla-getxdata vlaobj appid 'xtype 'xdata)
  (mapcar
    '(lambda (key val)
       (cons key (ex:lisp-value val))
     )
    (vlax-safearray->list xtype)
    (vlax-safearray->list xdata)
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:labelarea (ent)                                      ;;;
;;; purpose:   creates a text entity that reports the area of a given
;;; entity.             ;;;
;;; arguments: the entity name of any object that supports the area
;;; property          ;;;
;;;            (arc, circle, ellipse, lwpolyline, polyline, region or
;;; spline)         ;;;
;;; example:   (ex:labelarea (car (entsel)))                          ;;;
;;; notes:     1. the first time an entity is labeled, the text will appear
;;; at the       ;;;
;;;               entity's start point or center point                     ;;;
;;;            2. call ex:labelarea again to update a label. the label will
;;; update      ;;;
;;;           regardless of its current position                     ;;;
;;;            3. the are is formatted in the current units                 ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:labelarea (ent / elist xdata text start area)
  (vl-load-com)
  (regapp "LABELAREA")
  (setq elist (entget ent '("LABELAREA"))
    xdata (assoc -3 elist)
    text (if xdata
           (entget (handent (cdr (cadadr xdata))))
         )
    start (if (not text)
        (cdr (assoc 10 elist))
          )
    area (vla-get-area (setq ent (vlax-ename->vla-object ent)))
  )
  (if (not text)
    (progn
      (setq text (vla-addtext (vla-get-block (vla-item
                               (vla-get-layouts
                                    (vla-get-activedocument
                                                (vlax-get-acad-object)
                                    )
                               ) (cdr
                                  (assoc 410
                                     elist
                                  )
                             )
                         )
                  ) (rtos area) (vlax-3d-point start) 0.25
         )
      )
    )
    (vla-put-textstring (setq text (vlax-ename->vla-object (cdr
                                (assoc -1
                                       text
                                )
                               )
                   )
            )
            (rtos area)
    )
  )
  (vla-setxdata ent (vlax-make-variant (vlax-safearray-fill
                                (vlax-make-safearray vlax-vbinteger '
                                         (0 . 1)
                                ) '
                                (1001 1005)
                       )
            ) (vlax-make-variant (vlax-safearray-fill
                                  (vlax-make-safearray vlax-vbvariant '
                                           (0 . 1)
                                  )
                                  (list "LABELAREA"
                                    (vla-get-handle text)
                                  )
                     )
              )
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:labelordinate (ss attname ordinate)                             ;;;
;;; purpose:   cycles through a selection set filling a specified attribute
;;; with a       ;;;
;;;            block's position (x, y or z)                         ;;;
;;; arguments: a selection set containing blocks to label, the name of the
;;; attribute to  ;;;
;;;            change and an integer indicating which ordinate value to
;;; use         ;;;
;;;         (0=x, 1=y, 2=z)                                 ;;;
;;; example:   (ex:labelordinate ss "pos" 0)                          ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:labelordinate (ss attname ordinate / c block atts val att)
  (vl-load-com)
  (setq c -1)
  (repeat (sslength ss)
    (setq block (vlax-ename->vla-object (ssname ss (setq c (1+ c))))
      atts (vlax-safearray->list (vlax-variant-value
                             (vla-getattributes block)
                     )
           )
      val (rtos (nth ordinate (vlax-safearray->list
                            (vlax-variant-value
                                        (vla-get-insertionpoint block)
                            )
                  )
            ) 2 0
          )
    )
    (foreach att atts
      (if (= (strcase attname) (strcase (vla-get-tagstring att)))
    (vla-put-textstring att val)
      )
    )
    (vla-update block)
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listlayouts ()                                     ;;;
;;; purpose:   returns a list containing all layouts in the current
;;; document             ;;;
;;; arguments: none                                     ;;;
;;; example:                                             ;;;
;;; notes:     1. ex:listlayouts returns a list of layout names sorted by
;;; tab order,     ;;;
;;;               not name like layoutlist                             ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listdocuments (/ fname lst)
  (vl-load-com)
  (vlax-for doc (vla-get-documents (vlax-get-acad-object)) (setq lst
                                 (cons
                                       (if
                                     (/=
                                         (setq fname
                                           (vla-get-fullname doc)
                                         )
                                         ""
                                     )
                                     fname
                                     (vla-get-name doc)
                                       ) lst
                                 )
                               )
  )
  (reverse lst)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listdocuments ()                                     ;;;
;;; purpose:   returns a list containing the name or full path of every
;;; open document.   ;;;
;;; arguments: none                                     ;;;
;;; example:                                             ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listlayouts (/ layouts c lst lay)
  (vl-load-com)
  (setq layouts (vla-get-layouts (vla-get-activedocument
                             (vlax-get-acad-object)
                 )
        )
    c -1
  )
  (repeat (vla-get-count layouts)
    (setq lst (cons (setq c (1+ c))
            lst
          )
    )
  )
  (vlax-for lay layouts (setq lst (subst
                    (vla-get-name lay)
                    (vla-get-taborder lay)
                    lst
                  )
            )
  )
  (reverse lst)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listtoolbars (groupname)                                 ;;;
;;; purpose:   returns a list containing the name of every toolbar in the
;;; secified menu group  ;;;
;;; arguments: a string containing the name of a currently loaded menu
;;; group         ;;;
;;; example:   (ex:listtoolbars "acad")                              ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listtoolbars (groupname / mgroups mgroup lst)
  (vl-load-com)
  (if (not (vl-catch-all-error-p (setq mgroup (vl-catch-all-apply 'vla-item
                                  (list
                                    (vla-get-menugroups
                                                (vlax-get-acad-object)
                                    ) groupname
                                  )
                          )
                 )
       )
      )
    (vlax-for tbar (vla-get-toolbars mgroup) (setq lst (cons
                                 (vla-get-name tbar)
                                 lst
                               )
                         )
    )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:makelayer (lname)                                        ;;;
;;; purpose:   create a new layer.                             ;;;
;;; arguments: the new layer name                                 ;;;
;;; example:   (ex:makelayer "a-wall")                              ;;;
;;; notes:     returns the new layer object on successful creation, an
;;; existing layer     ;;;
;;;            object if the layer already exists, or nil if the layer name
;;; cannot be created.
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:makelayer (lname / olayer)
  (vl-load-com)
  (if (vl-catch-all-error-p (setq olayer (vl-catch-all-apply 'vla-add
                                 (list
                                   (vla-get-layers
                                           (vla-get-activedocument
                                                       (vlax-get-acad-object)
                                           )
                                   ) lname
                                 )
                     )
                )
      )
    nil
    olayer
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:renamelayout (oldname newname)                              ;;;
;;; purpose:   rename an existing layout                         ;;;
;;; arguments: a string containing the name of the layout to renam and a
;;; string       ;;;
;;;            containing the new name for it                         ;;;
;;; example:   (ex:renamelayout "layout1" "mylayout")                      ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:renamelayout (oldname newname)
  (vl-load-com)
  (vla-put-name (vla-item (vla-get-layouts (vla-get-activedocument
                                   (vlax-get-acad-object)
                       )
              ) oldname
        ) newname
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:selectattributedblocks (lst)                              ;;;
;;; purpose:   returns a selection set containing blocks whose attribute
;;; values match     ;;;
;;;            the specified criteria                             ;;;
;;; arguments: a block name, the attribute tag which to search and the
;;; value being sought;;;
;;; example:   (ex:selectattributedblocks '("window" "keynote" "57"))
;;; ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:selectattributedblocks (lst / ss ss2 c ent att)
  (vl-load-com)
  (if (setq ss (ssget "X" (list (cons 0 "INSERT") (cons 2 (car lst)))))
    (progn
      (setq c 0)
      (repeat (sslength ss)
    (setq ent (vlax-ename->vla-object (ssname ss c)))
    (if (vla-get-hasattributes ent)
      (foreach att (vlax-safearray->list (vlax-variant-value
                                 (vla-getattributes ent)
                         )
               )
        (if (= (strcase (vla-get-tagstring att)) (strcase (cadr lst)))
          (if (= (strcase (vla-get-textstring att)) (strcase
                                 (caddr lst)
                            )
          )
        (progn
          (vla-highlight ent :vlax-true)
          (if (not ss2)
            (setq ss2 (ssadd (ssname ss c)))
            (ssadd (ssname ss c) ss2)
          )
        )
          )
        )
      )
    )
    (setq c (1+ c))
      )
    )
  )
  ss2
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:setprofile (pname)                                      ;;;
;;; purpose:   sets a profile active                             ;;;
;;; arguments: the name of an existing profile                         ;;;
;;; example:   (ex:setprofile "myprofile")                         ;;;
;;; notes:     1. this cannot be used to initialize a "vertical" product
;;; from autocad.     ;;;
;;;           in other words, you cannot start autocad and switch to something
;;; like  ;;;
;;;           mechanical desktop.                             ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:setprofile (pname)
  (vl-load-com)
  (vla-put-activeprofile (vla-get-profiles (vla-get-preferences
                                (vlax-get-acad-object)
                       )
             ) pname
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:togglelayouts ()                                      ;;;
;;; purpose:   toggles the display of layout tabs                     ;;;
;;; arguments: none                                     ;;;
;;; example:   none                                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:togglelayouts (/ prefdisplay)
  (vl-load-com)
  (setq prefdisplay (vla-get-display (vla-get-preferences
                              (vlax-get-acad-object)
                     )
            )
  )
  (vla-put-displaylayouttabs prefdisplay (if (=
                        (vla-get-displaylayouttabs prefdisplay)
                        :vlax-true
                         )
                       :vlax-false
                       :vlax-true
                     )
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:togglemsbackground ()                                      ;;;
;;; purpose:   toggles the modelspace background color between black and
;;; white         ;;;
;;; arguments: none                                     ;;;
;;; example:   none                                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:togglemsbackground (/ prefdisplay)
  (vl-load-com)
  (setq prefdisplay (vla-get-display (vla-get-preferences
                              (vlax-get-acad-object)
                     )
            )
    color (vlax-variant-value (vlax-variant-change-type
                                (vla-get-graphicswinmodelbackgrndcolor prefdisplay)
                                vlax-vblong
                  )
          )
  )
  (vla-put-graphicswinmodelbackgrndcolor prefdisplay
                     (vlax-make-variant (if (= color 0)
                                  16777215
                                  0
                                ) vlax-vblong
                     )
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:togglepsbackground ()                                      ;;;
;;; purpose:   toggles the paperspace background color between black and
;;; white         ;;;
;;; arguments: none                                     ;;;
;;; example:   none                                     ;;;
;;; notes:     none                                     ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:togglepsbackground (/ prefdisplay)
  (vl-load-com)
  (setq prefdisplay (vla-get-display (vla-get-preferences
                              (vlax-get-acad-object)
                     )
            )
    color (vlax-variant-value (vlax-variant-change-type
                                (vla-get-graphicswinlayoutbackgrndcolor prefdisplay)
                                vlax-vblong
                  )
          )
  )
  (vla-put-graphicswinlayoutbackgrndcolor prefdisplay
                      (vlax-make-variant (if (= color 0)
                                   16777215
                                   0
                                 ) vlax-vblong
                      )
  )
  (princ)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    c:layerfiltersdelete ()                                      ;;;
;;; purpose:   delete all layer filters in the current drawing.                 ;;;
;;; arguments: none                                     ;;;
;;; example:   command: layerfiltersdelete                         ;;;
;;;            --or--                                     ;;;
;;;            command: lfd                                 ;;;
;;; notes:     i could not see doing this as anything other than a user
;;; command.      ;;;
;;;            but the original command names is too long to type in, hence
;;; the aliased version.
;;; author:    r. robert bell                                 ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun c:layerfiltersdelete ()
  (vl-load-com)
  (vl-catch-all-apply '(lambda ()
             (vla-remove (vla-getextensiondictionary
                                 (vla-get-layers
                                         (vla-get-activedocument
                                                     (vlax-get-acad-object)
                                         )
                                 )
                     ) "ACAD_LAYERFILTERS"
             )
               )
  )
  (princ "\nAll layer filter have been deleted.")
  (princ)
)
(defun c:lfd ()
  (c:layerfiltersdelete)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:listtovariantarray (lst vartype)                              ;;;
;;; purpose:   converts a list to an activex variant array                 ;;;
;;; arguments: a list. the list can be nested up to one level deep.              ;;;
;;;                    e.g.: (list "1" 2 (list 1.0 2.0 3.0))                 ;;;
;;; example:   (listtovariantarray (list (list 2.0 3.0 0.0) 1 2.0
;;; "string"))         ;;;
;;; notes:     1. if your list includes various data types, pass
;;; vlax-vbvariant for the  ;;;
;;;               vartype argument                             ;;;
;;;            2. entity names are converted to objectids                 ;;;
;;;            3. to convert a point list to activex coordinates:             ;;;
;;;           (list->variantarray (apply 'append ptlist) vlax-vbdouble)
;;;  ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:listtovariantarray (lst vartype)
  (vl-load-com)
  (vlax-make-variant (vlax-safearray-fill (vlax-make-safearray vartype
                                   (cons 0
                                     (1-
                                     (length lst)
                                     )
                                   )
                      ) (mapcar
                          '(lambda (x)
                         (cond
                           ((= (type x) 'list)
                             (vlax-safearray-fill
                                      (vlax-make-safearray
                                                   (if
                                                 (apply
                                                   '=
                                                   (mapcar
                                                     'type
                                                     x
                                                   )
                                                 )
                                                 (cond
                                                   (
                                                     (=
                                                    (type
                                                          (car x)
                                                    ) 'real
                                                     )
                                                     vlax-vbdouble
                                                   )
                                                   (
                                                     (=
                                                    (type
                                                          (car x)
                                                    ) 'int
                                                     )
                                                     vlax-vbinteger
                                                   )
                                                   (
                                                     (=
                                                    (type
                                                          (car x)
                                                    ) 'str
                                                     )
                                                     vlax-vbstring
                                                   )
                                                 )
                                                 vlax-vbvariant
                                                   )
                                                   (cons 0
                                                     (1-
                                                     (length x)
                                                     )
                                                   )
                                      )
                                      x
                             )
                           )
                           ((= (type x) 'ename)
                             (vla-get-objectid
                                       (vlax-ename->vla-object x)
                             )
                           )
                           (t
                             x
                           )
                         )
                           )
                          lst
                        ) ; mapcar
             )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    ex:selectionsettoarray (ss)                                  ;;;
;;; purpose:   returns an variant array of subtype object filled with the
;;; contents of       ;;;
;;;            a selection set.                                 ;;;
;;; arguments: a selection set                                  ;;;
;;; example:   (selectonsettoarray myss)                         ;;;
;;; notes:     1. use this whenever you need to pass a selecton set as an
;;; array to an    ;;;
;;;               activex function                             ;;;
;;;            2. if you need a different subtype, simply change the reference
;;; to      ;;;
;;;           vlax-vbobject.                              ;;;
;;; debug:     t                                             ;;;
;;; ************************************************************************
;;; **************;;;
(defun ex:selectionsettoarray (ss / c r)
  (vl-load-com)
  (setq c -1)
  (repeat (sslength ss)
    (setq r (cons (ssname ss (setq c (1+ c))) r))
  )
  (setq r (reverse r))
  (vlax-safearray-fill (vlax-make-safearray vlax-vbobject (cons 0
                                (1-
                                    (length r)
                                )
                              )
               ) (mapcar
               'vlax-ename->vla-object
               r
             )
  )
)
;;; utilities... -->>
;;; ************************************************************************
;;; **************;;;
;;; module:    xllist->listofpoints (coordlist / ptlist)                       ;;;
;;; purpose:   convert a list of x, y values from a single list into a list
;;; of paired       ;;;
;;;            lists from (x y x y x y ...) into ((x y)(x y)(x y)...)             ;;;
;;; notes:     this is necessary to convert the results of using
;;; (vla-get-coordinates)   ;;;
;;;            on a lwpolyline object into a list of vertext points              ;;;
;;; source:    taken from garden path tutorial                                 ;;;
;;; debug:     t                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun xylist->listofpoints (coordlist / ptlist)
  (while coordlist
    (setq ptlist (append
           ptlist
           (list (list (car coordlist) (cadr coordlist)))
         )
      coordlist (cddr coordlist)
    )
  )
  ptlist
)
;;; ************************************************************************
;;; **************;;;
;;; module:    is-vla-object (obj)                                   ;;;
;;; purpose:   boolean test if data type is vla-object                      ;;;
;;; ************************************************************************
;;; **************;;;
(defun is-vla-object (obj)
  (equal (type obj) 'vla-object)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    is-string (arg)                                       ;;;
;;; purpose:   boolean test if data type is string                      ;;;
;;; ************************************************************************
;;; **************;;;
(defun is-string (arg)
  (equal (type arg) 'str)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    is-real (arg)                                       ;;;
;;; purpose:   boolean test if data type is real number(double, float,
;;; etc.)          ;;;
;;; ************************************************************************
;;; **************;;;
(defun is-real (arg)
  (equal (type arg) 'real)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    is-ename (arg)                                       ;;;
;;; purpose:   boolean test if data type is autocad ename (entity name)
;;; ;;;
;;; ************************************************************************
;;; **************;;;
(defun is-ename (arg)
  (equal (type arg) 'ename)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    is-variant (arg)                                       ;;;
;;; purpose:   boolean test if data type is variant                      ;;;
;;; ************************************************************************
;;; **************;;;
(defun is-variant (arg)
  (equal (type arg) 'variant)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-makeename (object)                                   ;;;
;;; purpose:   convert vla-object into ename data type                      ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-makeename (object)
  (if (is-vla-object object)
    (vlax-vla-object->ename object)
    object
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-makeobject (object)                                   ;;;
;;; purpose:   convert ename into vla-object data type                      ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-makeobject (object)
  (if (is-ename object)
    (vlax-ename->vla-object object)
    object
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    intlist->vararray (alist)                               ;;;
;;; purpose:   convert a list of integer values into a variant safe-array
;;;      ;;;
;;; ************************************************************************
;;; **************;;;
(defun intlist->vararray (alist)
  (vlax-safearray-fill (vlax-make-safearray vlax-vbinteger ; (2) integer
                        (cons 0 (- (length alist) 1))
               ) alist
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    varlist->vararray (alist)                               ;;;
;;; purpose:   convert a list of variant values into a variant safe-array
;;;      ;;;
;;; ************************************************************************
;;; **************;;;
(defun varlist->vararray (alist)
  (vlax-safearray-fill (vlax-make-safearray vlax-vbvariant ; (12) variant
                        (cons 0 (- (length alist) 1))
               ) alist
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-applyltypegen (object)                               ;;;
;;; purpose:   apply linetype generation to lwpolyline object                  ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-applyltypegen (object / obj)
  (setq object (vlex-makeobject object)) ; make sure not ename first!
  (vla-put-linetypegeneration object :vlax-true)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-put-bylayer (obj)                                   ;;;
;;; purpose:   put object color=bylayer, linetype=bylayer                  ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-put-bylayer (obj)
  (if (vlax-write-enabled-p obj)
    (progn
      (vla-put-color obj 255)           ; (vla-put-linetype obj ...);; <-- i
                       ; need to figure this out!!!
    )
  )                       ; endif

)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-activelayout ()                                   ;;;
;;; purpose:   returns object to active layout                          ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-activelayout ()
  (vla-get-activelayout (vlex-activedocument))
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-activelayoutname ()                                   ;;;
;;; purpose:   returns object name to active layout (string value)              ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-activelayoutname ()
  (vla-get-name (vlex-activelayout))
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-activeplotconfig ()                                   ;;;
;;; purpose:   returns object to active plot configuration                  ;;;
;;; debug:     nil                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-plotconfigs (/ pc out)
  (vlax-for each (vlax-get-property (vlex-activedocument)
                    'plotconfigurations
         ) (if (vlax-property-available-p each 'getplotdevicenames)
             (setq out (cons (vlax-get-property each
                            'getplotdevicenames
                     ) out
                   )
             )
           ) (setq itemname (vlex-name each)
               out (cons itemname out)
             )
  )
  out
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-snapoff ()                                       ;;;
;;; purpose:   turns off osnaps                                  ;;;
;;; debug:     t                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-snapoff ()
  (vla-put-objectsnapmode (vlex-activedocument) :vlax-false)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-snapon ()                                       ;;;
;;; purpose:   turns on osnaps                                  ;;;
;;; debug:     t                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-snapon ()
  (vla-put-objectsnapmode (vlex-activedocument) :vlax-true)
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-opendwg (fullname)                                   ;;;
;;; purpose:   open named drawing file(no error trapping is done!              ;;;
;;; debug:     t                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-opendwg (fullname)
  (command "vbastmt" (strcat "AcadApplication.Documents.Open " (chr 34)
                 fullname (chr 34)
             )
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-dwgnamed-p ()                                   ;;;
;;; purpose:   returns t if drawing has been saved with a name, otherwise
;;; returns 'nil'. ;;;
;;; debug:     t                                     ;;;
;;; ************************************************************************
;;; **************;;;
(defun vlex-dwgnamed-p ()
  (if (= 1 (getvar "dwgtitled"))
    t
    nil
  )
)
;;; ************************************************************************
;;; **************;;;
;;; module:    vlex-activeplotconfig ()                                   ;;;
;;; purpose:   returns object to active plot configuration                  ;;;
;;; ************************************************************************
;;; **************;;;
;;; zooming functions... --->
(defun vlex-zoomextents ()
  (vla-zoomextents (vlex-acadobject))
)
(defun vlex-zoomall ()
  (vla-zoomall (vlex-acadobject))
)
(defun vlex-zoomcenter (pt)
  (vla-zoomcenter (vlex-acadobject) (vlax-3d-point pt) 1.0)
)
(defun vlex-zoomprevious ()
  (vla-zoomprevious (vlex-acadobject))
)
(defun vlex-zoomwindow (p1 p2)
  (vla-zoomwindow (vlex-acadobject) (vlax-3d-point p1)
          (vlax-3d-point p2)
  )
)
(defun vlex-zoomout ()
  (vla-zoomout (vlex-acadobject) 0.5 1)
)
(defun vlex-zoomin ()
  (vla-zoomscaled (vlex-acadobject) 2.0 1)
)
;;; ************************************************************************
;;; ***;;;
;;; module: vlex-help
;;;  ;;;
;;; description:
;;;  ;;;
;;; args:
;;;  ;;;
;;; example:
;;;  ;;;
;;; ************************************************************************
;;; ***;;;
(defun vlex-help (/ cmd)
  (setq separator "///////////////////////////////////////")
  (foreach cmd (list separator "VLEX Constant Globals:" "Acad-Object"
             "vlex-ActiveDocument" "vlex-PaperSpace"
             "vlex-ActiveSpace" "vlex-ModelSpace" "vlex-AcadPrefs"
             separator "VLEX Exposed Functions:" ; environment
                       ; profiles
             "vlex-GetPrefKey" "vlex-SetPrefKey"
             "vlex-ProfileImport" "vlex-ProfileExport"
             "vlex-ProfileExists-p" "vlex-ProfileDelete"
             "vlex-ProfileList" "vlex-Profiles" "vlex-ProfileReLoad"
             "vlex-ProfileExportX" "vlex-ProfileCopy"
             "vlex-ProfileRename" "vlex-ProfileReset" separator    ; d
                       ; ocuments
             "vlex-CloseAllDocs" "vlex-SaveAllDocs"
             "vlex-SaveAs2000" "vlex-SaveAsR14" "vlex-Saved-p"
             "vlex-PurgeAllDocs" "vlex-GetDocsCollection"
             "vlex-DocCollection" "vlex-DocsCount" "vlex-DocsList"
             separator           ; properties
             "vlex-CopyProp" "vlex-MapPropertyList"
             "vlex-ChangeAttributes" "vlex-GetAttributes" separator ; string
             "vlex-ParseString" "vlex-Massoc" separator    ; undo
             "vlex-UndoBegin" "vlex-UndoEnd" separator ; return
                       ; list
             "vlex-Extents" "vlex-RectCenter" "vlex-Mid"
             "vlex-PolyCentroid" "vlex-GetPolySegment"
             "vlex-GetEllipseArcPoints" separator ; object
             "vlex-AcadProp" "vlex-ObjectType" "vlex-MakeObject"
             "vlex-DeleteObject" "vlex-DumpIt" "vlex-Name"
             "vlex-MxRelease" separator    ; collection
             "vlex-CollectionCount" "vlex-CollectionList"
             "vlex-AcadCollection" "vlex-MapCollection"
             "vlex-DumpCollection" separator ; modify1
             "vlex-IsClosed" "vlex-CloseArc" separator ; sort
             "vlex-SortPoints" separator ; linetype
             "vlex-CountLtypes" "vlex-Ltype-Exists-p" separator    ; v
                       ; lex-getxxx
             "vlex-GetLayers" "vlex-GetLtypes" "vlex-GetTextStyles"
             "vlex-GetDimStyles" "vlex-GetLayouts"
             "vlex-GetDictionaries" "vlex-GetBlocks"
             "vlex-GetPlotConfigs" "vlex-GetViews"
             "vlex-GetViewPorts" "vlex-GetGroups" "vlex-GetRegApps"
             separator           ; vlex-listxxx
             "vlex-ListLayers" "vlex-ListLtypes"
             "vlex-ListTextStyles" "vlex-ListDimStyles"
             "vlex-ListLayouts" "vlex-ListDictionaries"
             "vlex-ListBlocks" "vlex-ListPlotConfigs"
             "vlex-ListViews" "vlex-ListViewPorts" "vlex-ListGroups"
             "vlex-ListRegApps"
             separator           ; create entity
             "vlex-AddArc" "vlex-AddCircle" "vlex-AddLine"
             "vlex-AddLineC" "vlex-AddPline" "vlex-AddEllipse"
             "vlex-AddEllipseArc1" "vlex-AddEllipseArc2"
             "vlex-AddRectangle" "vlex-AddPolygon"
             "vlex-Apply-Ltype" "vlex-Apply-LtScale"
             "vlex-AddPolygon" "vlex-AddRectangle" "vlex-AddSolid"
             separator           ; transition
             "vlex-DTR" "vlex-RTD" "3dpoint->2dpoint"
             "3dpoint-list->2dpoint-list" "vlex-Roll-Ratio"
             "vlex-DblList->VariantArray" "vlex-IntList->VarArray"
             "vlxx-VarList->VarArray" separator    ; prompt
             "vlex-DPR" separator ; sysvars
             "vlex-VarSave" "vlex-VarRestore" separator    ; layers
             "vlex-LayerTable" "vlex-LayZero" "vlex-LayActive"
             "vlex-LayActive" "vlex-LayerOn" "vlex-LayerOff"
             "vlex-LayerFreeze" "vlex-LayerThaw" "vlex-LayerNoPlot"
             "vlex-LayerLock" "vlex-LayerUnLock"
             "vlex-ListLayers-Locked" "vlex-ListLayers-Frozen"
             "vlex-ListLayers-Off" "vlex-ListLayers-Plottable"
             "vlex-ListLayers-Plottalbe-Not" "vlex-Layer-Frozen-p"
             "vlex-SetLweight" separator ; selection sets
             "vlex-SSetExists-p" "vlex-SelectByType"
             "vlex-SelectOnScreen-Filter" "vlex-PICKCIRCLES"
             "C:GETCIRCLES" separator ; application state . . .
             "vlex-GetWindowState" "vlex-SetWindowState"
             "vlex-HideAutoCAD" "vlex-ShowAutoCAD"
             "vlex-HideShowTest" "vlex-DocPrefs" "vlex-LWdisplayON"
             "vlex-LWdisplayOFF" "vlex-ObjectSortBySnapON"
             "vlex-ObjectSortBySnapOFF" "vlex-XrefEditON"
             "vlex-XrefEditOFF" separator ; menus & toolbars. . .
             "vlex-MenuGroups" "vlex-MenuGroups-ListAll"
             "vlex-MenuGroup-Exists-p" "vlex-Toolbars"
             "vlex-Toolbars-ListAll" "vlex-Toolbar-Exists-p"
             "vlex-Toolbar" "vlex-Toolbar-Show" "vlex-Toolbar-Hide"
             "vlex-Toolbar-Dock" "vlex-Toolbar-Folat" separator    ; v
                       ; isual lisp custom functions. . .
             "ex:2DPoint" "ex:ActivateLastLayout"
             "ex:AddObjectsToBlock" "ex:MappedShare"
             "ex:BuildFilter" "ex:Centroid" "ex:ChangeAttributes"
             "ex:ChangeBitmap" "ex:CloseAll"
             "ex:DeleteObjectFromBlock" "ex:DrawVpBorder"
             "ex:DriveType" "ex:ListDrives" "ex:Parse"
             "ex:ExportProject" "ex:ImportProject"
             "ex:GetAttributes" "ex:GetBoundingBox"
             "ex:GetConstantAttributes"
             "ex:GetCurveLength" "ex:GetFileSize" "ex:GetLastHeight"
             "ex:SetLastHeight" "ex:GetParentBlocks"
             "ex:ListBLockRefs" "ex:GetPlotDevices" "ex:PutXData"
             "ex:lisp-value" "ex:GetXData" "ex:LabelArea"
             "ex:LabelOrdinate" "ex:ListDocuments" "ex:ListLayouts"
             "ex:ListToolbars" "ex:MakeLayer" "ex:RenameLayout"
             "ex:SelectAttributedBlocks" "ex:SetProfile"
             "ex:ToggleLayouts" "ex:ToggleMSBackground"
             "ex:TogglePSBackground" "C:LayerFiltersDelete"
             "ex:listToVariantArray" "ex:selectionsetToArray"
             separator           ; utilities...
             "vlex-ActiveSpace-Name" "xyList->ListOfPoints"
             "Is-Vla-Object" "Is-String" "Is-Real" "Is-Ename"
             "Is-Variant" "vlex-MakeEname" "vlex-MakeObject"
             "IntList->VarArray" "VarList->VarArray"
             "vlex-ApplyLtypeGen" "vlex-Put-ByLayer"
             "vlex-ActiveLayout" "vlex-ActiveLayoutName"
             "vlex-PlotConfigs" "vlex-OpenDwg" "vlex-DwgNamed-p"
             separator           ; zooming functions...
             "vlex-ZoomExtents" "vlex-ZoomAll" "vlex-ZoomCenter"
             "vlex-ZoomPrevious" "vlex-ZoomWindow" "vlex-ZoomOut"
             "vlex-ZoomIn"
           )
    (princ cmd)
    (terpri)
  )
  (princ)
)
;;; ************************************************************************
;;; *;;;
;;; module:
;;; ;;;
;;; description:
;;; ;;;
;;; args:
;;; ;;;
;;; example:
;;; ;;;
;;; ************************************************************************
;;; *;;;
(defun vlex-version ()
  (princ "\nVlex-Lisp 2004 ver. 1.00")
  (princ "\nCopyright (C) 2004 Kama Whaley, All rights reserved.")
  (terpri)
  (princ)
)
(vlex-version)
(princ)

 

vlex-vlisp.rar
posted on 2008-03-12 21:35 深藏记忆 阅读(1422) 评论(0)  编辑  收藏 所属分类: Vlisp之韵

飘过是缘,相识最真

订阅到抓虾
google reader
gougou


点击这里给我发消息


<2008年3月>
2425262728291
2345678
9101112131415
16171819202122
23242526272829
303112345

常用链接

留言簿(5)

随笔分类

随笔档案

文章分类

文章档案

相册

收藏夹

八面来息

天天充电

同行者

积分与排名

  • 积分 - 59540
  • 排名 - 62

最新评论

阅读排行榜

评论排行榜