frame = new SheetableJFrame ("Sheet test");
// put an image in the frame's content pane
ImageIcon icon = new ImageIcon ("keagy-lunch.png");
JLabel label = new JLabel (icon);
frame.getContentPane().add(label);
// build JOptionPane dialog and hold onto it
optionPane = new JOptionPane ("Do you want to save?",
JOptionPane.QUESTION_MESSAGE,
JOptionPane.YES_NO_OPTION);
frame.pack();
frame.setVisible(true);
optionPane.addPropertyChangeListener (this);
// pause for effect, then show the sheet
try {Thread.sleep(1000);}
catch (InterruptedException ie) {}
JDialog dialog =
optionPane.createDialog (frame, "irrelevant");
frame.showJDialogAsSheet (dialog);
