[MSDN Library June 1998] WM_POWER (50.7631578947368%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Hardware > Power Management > Power Management Reference > Power Management Messages

[MSDN Library April 2000] WM_POWER (50.7631578947368%)

MSDN Library - April 2000 > Platform SDK > Base Services > Hardware > Power Management > Power Management Reference > Power Management Messages