Adds a new extension.
[Visual Basic .NET] Public Sub AddExtension ( _ ByVal ext As Object _ )
[C#] public void AddExtension ( object ext );
[C++]
HRESULT AddExtension(
LPUNKNOWN ext
);
[C++]Parameters
ext [in] ext is a parameter of type LPUNKNOWN
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.