Indicates whether this command item is built-in or if it was implemented through VBA.
[Visual Basic .NET] Public ReadOnly Property BuiltIn As Boolean
[C#] public bool BuiltIn {get;}
Product Availability
Available with ArcGIS Desktop.
Description
Returns True if the command is a COM command that was created by implementing ICommand and compiling into a DLL. Returns False if the command is a UIControl or a VBA macro.