[MSDN Library April 2000] IUnknown::QueryInterface (84.375%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Reference > Multimedia Interfaces

[MSDN Library April 2000] IUnknown::Release (73.9583333333333%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Reference > Multimedia Interfaces

[MSDN Library April 2000] IUnknown::AddRef (71.875%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Reference > Multimedia Interfaces

[MSDN Library April 2000] IUnknown (67.7083333333333%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Reference > Multimedia Interfaces

[MSDN Library April 2000] IUnknown::QueryInterface (46.2196657509158%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > Introducing DirectX Foundation > C and C++ Programming Topics > The Component Object Model > IUnknown Interface