[MSDN Library April 2000] DefScreenSaverProc (48.2060185185185%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows Shell > Shell Reference > Shell Functions
[MSDN Library June 1998] DefScreenSaverProc (47.4652777777778%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Shell and Common Controls > Windows Shell API > Shell Reference > Functions