[MSDN Library April 2000] DirectX (100%)

MSDN Library - April 2000 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 5 - Windows NT 4.0 Workstation Architecture > Application Types on Various Hardware Platforms

[MSDN Library April 2000] DirectX 2 (33.6922221152509%)

MSDN Library - April 2000 > Platform SDK > Win32 API > Windows 95/98 Programming > Release Notes > Windows 95, OEM Service Release 2

[MSDN Library April 2000] DirectX Tools (25.718847277045%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > Introducing DirectX Foundation

[MSDN Library April 2000] DirectX Samples (23.9239754821732%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > Introducing DirectX Foundation

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MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > Introducing DirectX Foundation