# File gtk/sample/gtk-demo/changedisplay.rb, line 398
    def display_closed_cb(display)
      @display_model.each do |model, path, iter|
        tmp_display = iter.get_value( DISPLAY_COLUMN_DISPLAY)
        if tmp_display == display
          @display_model.remove(iter)
          break
        end
      end
    end