The extension at the specified index.
[Visual Basic 6.0] Property Extension(
ByVal Index As Long _
) As Unknown
[Visual Basic .NET] Public Function get_Extension ( _ ByVal Index As Integer _ ) As Object
[C#] public object get_Extension ( int Index );
[Java] public Object getExtension ( Long Index )
[C++]
HRESULT get_Extension(
long Index,
LPUNKNOWN* ext
);
Parameters
Index [in]
Index is a parameter of type long
ext [out, retval]
ext is a parameter of type LPUNKNOWN