[MSDN Library June 1998] DefWindowProc (50.5747126436782%)

MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Window Procedures > Window Procedure Reference > Window Procedure Functions

[MSDN Library April 2000] DefWindowProc (50.5747126436782%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Windowing > Window Procedures > Window Procedure Reference > Window Procedure Functions

[MSDN Library April 2000] DefWindowProc (42.7011494252874%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Functions