getTreeViewer().getTree().setRedraw(false);
Tree tree= getTreeViewer().getTree();  tree.setRedraw(false);
		public void toggleShowInheritedMembers() {			getTreeViewer().getTree().setRedraw(false);			fShowInheritedMembers= !fShowInheritedMembers;			getTreeViewer().refresh();			getTreeViewer().getTree().setRedraw(true);		}