[MSDN Library June 1998] IUnknown Interface (52.578320802005%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX 5 > Introducing DirectX 5 > DirectX and the Component Object Model

[MSDN Library June 1998] IUnknown::QueryInterface (44.4458502024291%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX 5 > Introducing DirectX 5 > DirectX and the Component Object Model > IUnknown Interface

[MSDN Library June 1998] IUnknown Interface (43.4301206040337%)

MSDN Library Visual Studio 6.0 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 3: Objects and Interfaces > The IUnknown Interface

[MSDN Library June 1998] IUnknown::Release (42.0152946468736%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX 5 > Introducing DirectX 5 > DirectX and the Component Object Model > IUnknown Interface

[MSDN Library June 1998] IUnknown Interface (40.8608058608059%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX Media SDK > DirectShow SDK > C/C++ Reference > DirectShow COM Interfaces