def _create_menu(self):
DEBUG_MSG("<STR_LIT>", <NUM_LIT:1>, self)<EOL>self._menu = MenuButtonWx(self)<EOL>self.AddControl(self._menu)<EOL>self.AddSeparator()<EOL>
Creates the 'menu' - implemented as a button which opens a
pop-up menu since wxPython does not allow a menu as a control