# File locana/l_menu.rb, line 306
   def on_enter_key(levent=nil, &block)
      return bind(:on_enter_key, block) if (block)  # this necessary to support Blocks the same as Proc objects

      if (sub_menu)
         l_activate_menu(levent)
      else
         on_click(levent)                                      # this will eventually trigger a :on_click event for the selected menu

      end
   end