[MSDN Library April 2000] IUnknown Macro (92.8571428571429%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectX Media SDK > DirectAnimation > Glossary > DirectShow > C/C++ Reference > Utility Functions

[MSDN Library April 2000] IUnknown (61.1428571428571%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectX Media SDK > DirectAnimation > Glossary > DirectShow > C/C++ Reference > DirectShow COM Interfaces

[MSDN Library April 2000] IUnknown (46.6386554621849%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectX Media SDK > DirectAnimation > Glossary > DirectShow > Glossary > DirectX Transform > C++/COM Reference > Interfaces

[MSDN Library April 2000] IUnknown (33.6974789915966%)

MSDN Library - April 2000 > Platform SDK > Component Services > COM > COM Fundamentals > Reference > Interfaces

[MSDN Library April 2000] IUnknown (32.9365079365079%)

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