# File gtk/sample/gtk-demo/dialog.rb, line 72
    def message_dialog_clicked
      dialog = Gtk::MessageDialog.new(self,
                                      Gtk::Dialog::MODAL |
                                      Gtk::Dialog::DESTROY_WITH_PARENT,
                                      Gtk::MessageDialog::INFO,
                                      Gtk::MessageDialog::BUTTONS_OK,
                                      "This message box has been popped up the following\nnumber of times:\n\n\#{@count}\n")
      dialog.run
      dialog.destroy
      @count += 1
    end