The following table provides summary descriptions of the AutoLISP functions for handling drawing objects.
Functions for handling drawing objects
Function
Description
(vlax-create-object “ prog-id”)
Creates a new instance of an ActiveX object
(vlax-dump-object obj)
Lists an object's methods and properties
(vlax-erased-p obj)
Determines whether an object was erased
(vlax-get-acad-object)
Retrieves the top-level AutoCAD application object for the current AutoCAD session
(vlax-get-object “ prog-id”)
Returns a running instance of an ActiveX object
(vlax-get-or-create-object
“ prog-id”)
Returns a running instance of an ActiveX object, if one exists, otherwise starts a new instance of the object
(vlax-import-type-library
:tlb-filename filename
[ :methods-prefix mprefix
:properties-prefix pprefix
:constants-prefix cprefix])
Imports information from a type library
(vlax-method-applicable-p
obj method)
Determines whether an object supports a particular method
(vlax-object-released-p obj)
Determines whether an object has been released
(vlax-read-enabled-p obj)
Determines whether an object can be read
(vlax-release-object obj)
Releases a drawing object
(vlax-typeinfo-available-p obj)
Determines whether type library information is present for the specified type of object
(vlax-write-enabled-p obj)
Determines whether an AutoCAD drawing object can be modified
