[MSDN Library April 2000] Overlay Surfaces (3.94345238095238%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectDraw > DirectDraw Essentials > Surfaces

[MSDN Library April 2000] Overlay, Underlay, and Main Planes (3.39366515837104%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > OpenGL > Win32 Extensions to OpenGL > OpenGL on Windows NT, Windows 2000, and Windows 95/98

[MSDN Library April 2000] Overlay Mixer (3.23886639676113%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectX Media SDK > DirectAnimation > Glossary > DirectShow > Filters and Samples > DirectShow Filters

[MSDN Library April 2000] Overlay Color Keys (2.77777777777778%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectDraw > DirectDraw Essentials > Surfaces > Overlay Surfaces

[MSDN Library April 2000] Overlay Z-Orders (1.5625%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectDraw > DirectDraw Essentials > Surfaces > Overlay Surfaces