[MSDN Library April 2000] IUnknown Interface (52.578320802005%)

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

[MSDN Library April 2000] IUnknown (36.3868003341688%)

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 Interface (36.3246307468275%)

MSDN Library - April 2000 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 3: Objects and Interfaces > The IUnknown Interface

[MSDN Library April 2000] IUnknown Macro (35.875104427736%)

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::QueryInterface (31.1899540517962%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Interfaces > IUnknown