[MSDN Library September 1992] WM_INITMENUPOPUP (63.3971291866029%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Messages
[MSDN Library June 1998] WM_INITMENUPOPUP (42.491789819376%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > User Input > Keyboard Accelerators > Keyboard Accelerator Reference > Keyboard Accelerator Messages
[MSDN Library September 1992] WM_INITMENUPOPUP (42.0977011494253%)
Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 6 Messages Directory
[MSDN Library September 1992] WM_INITMENUPOPUP (39.0136179609864%)
Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 2 Messages > DM_GETDEFID