This method gets the hot key associated with a shell menu item.
HRESULT get_HotKey( long index unsigned char *pbID );
NOERROR indicates success. E_INVALIDARG indicates that an invalid argument has been entered.
Hot keys are numbers, entered through the keypad, that provide a direct link to a menu item. If a hot key is detected, focus is set to that menu item, and a WM_COMMAND is fired to the event sink.