Object-Handling Functions Reference (AutoLISP)

The following table provides summary descriptions of the AutoLISP object-handling functions.

Object-handling functions		Platforms
		Windows		Mac OS		Web
Function	Description	AutoCAD	AutoCAD LT	AutoCAD	AutoCAD LT	AutoCAD
(dumpallproperties ename [context])	Retrieves an entity’s supported properties	✓	✓	✓	--	--
(entdel ename)	Deletes objects (entities) or restores previously deleted objects	✓	✓	✓	--	✓
(entget ename [applist])	Retrieves an object's definition data	✓	✓	✓	--	✓
(entlast)	Returns the name of the last non-deleted main object in the drawing	✓	✓	✓	--	✓
(entmake [elist])	Creates a new entity (graphical object) in the drawing	✓	/ - supported objects are limited	✓	--	✓
(entmakex [elist])	Makes a new object, gives it a handle and entity name (but does not assign an owner), and then returns the new entity name	✓	/ - supported objects are limited	✓	--	✓
(entmod elist)	Modifies the definition data of an object	✓	/ - supported objects are limited	✓	--	✓
(entnext [ename])	Returns the name of the next object in the drawing	✓	✓	✓	--	✓
(entupd ename)	Updates the screen image of an object	✓	✓	✓	--	✓
(getpropertyvalue ename propertyname [or collectionName index name])	Returns the current value of an entity’s property	✓	✓	✓	--	--
(handent handle)	Returns an object name based on its handle	✓	✓	✓	--	✓
(ispropertyreadonly ename propertyname [or collectionName index name])	Returns the read-only state of an entity’s property	✓	✓	✓	--	--
(setpropertyvalue ename propertyname value [or collectionname index name val])	Sets the property value for an entity	✓	✓	✓	--	--
(vlax-dump-object obj)	Lists an object's methods and properties Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-erased-p obj)	Determines whether an object was erased Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-get-acad-object)	Retrieves the top-level AutoCAD application object for the current AutoCAD session Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-method-applicable-p obj method)	Determines whether an object supports a particular method Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-object-released-p obj)	Determines whether an object has been released Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-read-enabled-p obj)	Determines whether an object can be read Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-release-object obj)	Releases a drawing object Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-typeinfo-available-p obj)	Determines whether type library information is present for the specified type of object Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--
(vlax-write-enabled-p obj)	Determines whether an AutoCAD drawing object can be modified Note: Extended AutoLISP extension: requires vl-load-com	✓	✓	--	--	--