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