UnoRuntime.queryInterface( XAccessibleEventBroadcaster.class, xAccessibleContext );
if (xAccessibleEventBroadcaster != null) {
if (attach) {
xAccessibleEventBroadcaster.addEventListener(this);
} else {
xAccessibleEventBroadcaster.removeEventListener(this);
}
}
} catch (com.sun.star.uno.RuntimeException e) {
// FIXME: error message !
}