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Returns whether the given variable or parameter is derived.
[Visual Basic .NET] Public Function IsDerived ( _ ByVal pInput As Object _ ) As Boolean
[C#] public bool IsDerived ( object pInput );
[C++]
HRESULT IsDerived(
LPUNKNOWN pInput
);
[C++]
Parameters pInput [in]
pInput is a parameter of type IUnknown