@Override
    public void actionPerformed(ActionEvent e) {
      try{
        UIManager.setLookAndFeel(myInfo.getClassName());
        SwingUtilities.updateComponentTreeUI(myFrame);
        Dimension prefSize = myFrame.getPreferredSize();
        if(prefSize.width > myFrame.getWidth() || prefSize.height > myFrame.getHeight()){
          myFrame.pack();
        }
      }
      catch(Exception exc){
        JOptionPane.showMessageDialog(
          myFrame,
          MessageFormat.format(ourBundle.getString("error.cannot.change.look.feel"), exc.getMessage()),
          ourBundle.getString("error.title"),
          JOptionPane.ERROR_MESSAGE
        );
      }
    }
@Override
    public void actionPerformed(ActionEvent e)