tree.setRedraw(true);
		private void setTopLevelTypeOnly(boolean show) {			fShowOnlyMainType= show;			setChecked(show);						Tree tree= fOutlineViewer.getTree();			tree.setRedraw(false);						fOutlineViewer.refresh(false);			if (!fShowOnlyMainType)				fOutlineViewer.expandToLevel(2);						tree.setRedraw(true);						// reveal selection			Object selectedElement= getSelectedElement();			if (selectedElement != null)				fOutlineViewer.reveal(selectedElement);								getDialogSettings().put(STORE_GO_INTO_TOP_LEVEL_TYPE_CHECKED, show);		}