[MSDN Library April 2000] IUnknown (100%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual C++ Documentation > Reference > Microsoft Foundation Class Library and Templates > Active Template Library > Articles > Introduction to COM and ATL > Introduction to COM

[MSDN Library April 2000] IUnknown (38.3394263829046%)

MSDN Library - April 2000 > Partial Books > Active Visual J++ > Chapter 6: Understanding COM and Java > The Fundamentals of COM > Interface and Class IDs

[MSDN Library April 2000] IUnknown (36.5267744524711%)

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 (35.0352376668166%)

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

[MSDN Library April 2000] IUnknown (34.3140838206628%)

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