WM_NEXTMENU Overview  Group

The WM_NEXTMENU message is sent to an application when the right or left arrow key is used to switch between the menu bar and the system menu.

WM_NEXTMENU

nVirtKey = (int) wParam; 

pmdin = (LPMDINEXTMENU) lParam; 

Parameters

nVirtKey

Value of wParam. Specifies virtual-key code of the key.

pmdin

Value of lParam. Specifies the address of the MDINEXTMENU structure that contains information about the menu to be activated.

Remarks

In responding to this message, the application can specify the menu to switch to in the hmenuNext member of MDINEXTMENU and the window to receive the menu notification messages in the hwndNext member of the MDINEXTMENU structure. You must set both members for the changes to take effect (they are initially NULL).

See Also

MDINEXTMENU