public void update()
	{
		TreeViewer viewer = getTreeViewer();
		if (viewer != null)
		{
			Control control = viewer.getControl();
			if ((control != null) && (!control.isDisposed()))
			{
				control.setRedraw(false);
				viewer.setInput(this.editor.getEditorInput());
				control.setRedraw(true);
			}
		}
	}