[MSDN Library April 2000] IUnknown (84.375%)

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::Release (71.1397058823529%)

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

[MSDN Library April 2000] IUnknown::QueryInterface (67.7083333333333%)

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

[MSDN Library April 2000] IUnknown (52.8422619047619%)

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