The method returns the prog ID of the class.
[Visual Basic .NET] Public ReadOnly Property ProgID As String
[C#] public string ProgID {get;}
[C++]
HRESULT get_ProgID(
BSTR* ID
);
[C++]Parameters
ID [out, retval] ID is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine and ArcGIS Desktop.