public void actionPerformed(ActionEvent e) {
   MetalLookAndFeel.setCurrentTheme(theme);
   currentTheme = theme;
   swingset.updateLookAndFeel();
 }
 public void actionPerformed(ActionEvent e) {
   cframe.dispose();
 }
 public void actionPerformed(ActionEvent e) {
   swingset.setLookAndFeel(laf);
 }