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WM_MENUSELECT message

Sent to a menu's owner window when the user selects a menu item.


#define WM_MENUSELECT                   0x011F

Parameters

wParam

The low-order word specifies the menu item or submenu index. If the selected item is a command item, this parameter contains the identifier of the menu item. If the selected item opens a drop-down menu or submenu, this parameter contains the index of the drop-down menu or submenu in the main menu, and the lParam parameter contains the handle to the main (clicked) menu; use the GetSubMenu function to get the menu handle to the drop-down menu or submenu.

The high-order word specifies one or more menu flags. This parameter can be one or more of the following values.

ValueMeaning
MF_BITMAP
0x00000004L

Item displays a bitmap.

MF_CHECKED
0x00000008L

Item is checked.

MF_DISABLED
0x00000002L

Item is disabled.

MF_GRAYED
0x00000001L

Item is grayed.

MF_HILITE
0x00000080L

Item is highlighted.

MF_MOUSESELECT
0x00008000L

Item is selected with the mouse.

MF_OWNERDRAW
0x00000100L

Item is an owner-drawn item.

MF_POPUP
0x00000010L

Item opens a drop-down menu or submenu.

MF_SYSMENU
0x00002000L

Item is contained in the window menu. The lParam parameter contains a handle to the menu associated with the message.

 

lParam

A handle to the menu that was clicked.

Return value

If an application processes this message, it should return zero.

Remarks

If the high-order word of wParam contains 0xFFFF and the lParam parameter contains NULL, the system has closed the menu.

Do not use the value –1 for the high-order word of wParam, because this value is specified as (UINT) HIWORD(wParam). If the value is 0xFFFF, it would be interpreted as 0x0000FFFF, not –1, because of the cast to a UINT.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h (include Windows.h)

See also

Reference
GetSubMenu
HIWORD
LOWORD
Conceptual
Keyboard Accelerators

 

 

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