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WM_INITMENUPOPUP message
Sent when a drop-down menu or submenu is about to become active. This allows an application to modify the menu before it is displayed, without changing the entire menu.
#define WM_INITMENUPOPUP 0x0117
Parameters
- wParam
-
A handle to the drop-down menu or submenu.
- lParam
-
The low-order word specifies the zero-based relative position of the menu item that opens the drop-down menu or submenu.
The high-order word indicates whether the drop-down menu is the window menu. If the menu is the window menu, this parameter is TRUE; otherwise, it is FALSE.
Return value
If an application processes this message, it should return zero.
Requirements
|
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
|---|---|
|
Minimum supported server |
Windows 2000 Server [desktop apps only] |
|
Header |
|
See also
- Reference
- HIWORD
- LOWORD
- WM_INITMENU
- Conceptual
- Keyboard Accelerators
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