This message is sent when a menu is active and the user presses a key that does not correspond to any mnemonic or accelerator key. This message is sent to the window that owns the menu.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
WM_MENUCHAR chUser = (char)LOWORD(wParam);
fuFlag = (UINT)HIWORD(wParam); hmenu = (HMENU) lParam;
Parameters
chUser
Value of the low-order word of wParam. Specifies the character code that corresponds to the key the user pressed.
fuFlag
Value of the high-order word of wParam. Specifies the type of the active menu and must be:
| Value | Description |
| MF_POPUP | Drop-down menu, submenu, or shortcut menu |
hmenu
Handle to the active menu.
Return Values
An application that processes this message should return one of the following values in the high-order word of the return value:
| Value | Description |
| MNC_IGNORE | Informs the system that it should discard the character the user pressed and create a short beep on the system speaker. |
| MNC_CLOSE | Informs the system that it should close the active menu. |
| MNC_EXECUTE | Informs the system that it should choose the item specified in the low-order word of the return value. The owner window receives a WM_COMMAND message. |
| MNC_SELECT | Informs the system that it should select the item specified in the low-order word of the return value. |
Remarks
The low-order word is ignored if the high-order word contains 0 or 1. An application should process this message when an accelerator is used to select a menu item that displays a bitmap.