if (ctrl != null && !ctrl.isDisposed()) { fViewer.refresh(root, false); }
if (ctrl != null && !ctrl.isDisposed()) fViewer.refresh(root, true);
	private void postRefresh(final Object root) {		postRunnable(new Runnable() {			public void run() {				Control ctrl= fViewer.getControl();				if (ctrl != null && !ctrl.isDisposed()) {					fViewer.refresh(root, false);				}			}		});	}