Java tutorial
import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class WidgetDisposeListener { public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); shell.addDisposeListener(new DisposeListener() { public void widgetDisposed(DisposeEvent e) { System.out.println(e.widget + " disposed"); } }); shell.setSize(260, 120); shell.open(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } } }