The following table provides summary descriptions of the AutoLISP ActiveX object-handling functions.
ActiveX Object-handling functions  | 
                  |
|---|---|
Function  | 
                     Description  | 
                  
(vlax-dump-object obj)  | 
                     Lists an object's methods and properties  | 
                  
(vlax-erased-p obj)  | 
                     Determines whether an object was erased  | 
                  
Retrieves the top-level AutoCAD application object for the current AutoCAD session  | 
                  |
(vlax-method-applicable-p obj method)  | 
                     Determines if an object supports a particular method  | 
                  
(vlax-object-released-p obj)  | 
                     Determines if an object has been released  | 
                  
(vlax-read-enabled-p obj)  | 
                     Determines whether an object can be read  | 
                  
(vlax-read-enabled-p obj)  | 
                     Releases a graphical object  | 
                  
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  |