sessionPane.addChangeListener(this); centerFrame();
  private void jbInit() throws Exception  {      this.getContentPane().setLayout(borderLayout1);      this.setTitle("tn5250j - 0.5.2");      sessionPane.setBorder(BorderFactory.createEtchedBorder());      sessionPane.setBounds(new Rectangle(78, 57, 5, 5));      sessionPane.setOpaque(false);      sessionPane.setRequestFocusEnabled(false);      sessionPane.setDoubleBuffered(true);      this.getContentPane().add(sessionPane, BorderLayout.CENTER);   }