XChangesListener xListener = dialog.createChangesListener( );
XChangesNotifier xNotifier =
(XChangesNotifier)UnoRuntime.queryInterface(XChangesNotifier.class, xViewRoot);
xNotifier.addChangesListener( xListener );
// trigger the listener
changeSomeData( cGridOptionsPath + "/Subdivision" );
if (dialog.execute() == GridOptionsEditor.SAVE_SETTINGS)