How to use

detach

method

in

org.zkoss.zul.Window

/** Process the onClose event sent when the close button is pressed.
 * <p>Default: detach itself.
 */
public void onClose() {
  detach();
}

 @Command
public void test(@BindingParam("cmp")  Window x) {
  x.detach();
}

@Override
public void committed() {
  root.detach();
}

/**
 * Close the main dialog.
 */
private void close() {
  ZKUtil.findAncestor(root, Window.class).detach();
}

private void doUpdate(boolean noPopup) {
  if (dlgFlags != null) {
    dlgFlags.detach();
    dlgFlags = null;