fTableViewer.refresh();
			public void selectionChanged(SelectionChangedEvent event) {				IStructuredSelection ss= (IStructuredSelection)event.getSelection();				if (new Integer(0).equals(fFileCount.get(ss.getFirstElement()))){					setMessage("No updates possible for the selected supertype", DialogPage.INFORMATION);					setPageComplete(false);					fTableViewer.refresh();				} else {					setMessage(MESSAGE);					setPageComplete(true);					fTableViewer.refresh();				}			}