[MSDN Library April 2000] IUnknown and Interface Inheritance (75%)

MSDN Library - April 2000 > Platform SDK > Component Services > COM > COM Fundamentals > Guide > The Component Object Model > COM Objects and Interfaces

[MSDN Library April 2000] IUnknown::QueryInterface (48.9697802197802%)

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

[MSDN Library April 2000] IUnknown::Release (45.2933096315449%)

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

[MSDN Library April 2000] IUnknown::AddRef (44.5580155138979%)

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

[MSDN Library April 2000] IUnknown Interface (32.4647964993234%)

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