// initialise system tray icon
initSystemTray(quitAction);
// add window listener
MyWindowListener wListener = new MyWindowListener(this);
jframe.addWindowListener(wListener);
wListener.setQuitAction(quitAction);
// drag'n'drop support
DropTarget target = new DropTarget(this.jframe, new MyDropTargetAdapter(this));
this.jframe.setDropTarget(target);