contentPanel.add(buttonPanel, new GridBagConstraints(1, 4, 6, 0, 0.0,
0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
new Insets(0, 0, 0, 0), 0, 0));
subFrame.addWindowListener(new WindowListener() {
public void windowOpened(WindowEvent e) {
}
public void windowClosing(WindowEvent e) {