摘要：对UIElement进行刷新Size tSize = new Size(tPenNode.Width, tPenNode.Height);tPenNode.Measure(tSize);tPenNode.Arrange(new Rect(new Point(0, 0), tSize));DrawingVisual tDrawingVisual = new DrawingVisual(); using (DrawingContext context = tDrawingVisual.RenderOpen()) { Visu... 阅读全文