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#define INCL_WINMESSAGEMGR
 
WM_INITMENU
id = SHORT1FROMMP(mp1);           /* menu identifier    */
hwnd = (HWND) HWNDFROMMP(mp2);    /* menu-window handle */
 
The WM_INITMENU message is sent when a menu is about to become active. This
allows the application to modify the menu before it is displayed.
 
Parameter  Description
────────────────────────────────────────────────────────────────────────────
 
id         Low word of mp1. Specifies the menu identifier.
 
hwnd       Low and high word of mp2. Identifies the menu.
 
Return Value
 
An application should return zero if it processes this message.
 
See Also
 
MM_ISITEMVALID, WM_MENUEND
 
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