These ActiveX objects all start with 'I'.
Provides an interface to the database resident objects in an AutoCAD document.
The common interface for AutoCAD dimensions.
The standard interface for a basic AutoCAD entity.
AutoCAD Multileader Leader Line Interface.
The standard interface for a basic AutoCAD object.
The event interface for a basic AutoCAD object.
A special object for use with the CopyObjects method that contains the object IDs of both the source and destination objects.