(bitwise combination (OR)) - The menu is hidden by default. If the menu is hidden, press the F10 key to display the menu and give it the focus. If the menu is displayed, press the F10 key to toggle the focus on or off the menu. The menu is displayed until you press the ALT or ESC key to hide it.
If the value of the nStyle parameter is not valid, this method asserts in Debug mode and raises CInvalidArgException in Release mode. In case of other runtime errors, this method asserts in Debug mode and raises an exception derived from the CException class.
This method affects the state of menus in applications written for Windows Vista and later.