[MSDN Library June 1998] WM_INITMENU (45.8439201451906%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > User Input > Keyboard Accelerators > Keyboard Accelerator Reference > Keyboard Accelerator Messages
[MSDN Library April 2000] WM_INITMENU (45.8439201451906%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > User Input > Keyboard Accelerators > Keyboard Accelerator Reference > Keyboard Accelerator Messages