ctrl.setRedraw(true);
	private void postRefresh(final Object root) {		postRunnable(new Runnable() {			public void run() {				// 1GF87WR: ITPUI:ALL - SWTEx + NPE closing a workbench window.				Control ctrl= fViewer.getControl();				if (ctrl != null && !ctrl.isDisposed()){					ctrl.setRedraw(false); 					fViewer.refresh(root);					ctrl.setRedraw(true);				}			}		});	}