/// <summary> /// 当led形状参数发生变化时调用的方法 /// </summary> /// <param name="d"></param> /// <param name="e"></param> private static void OnSizePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { DigitalControl led = d as DigitalControl; //获取根布局 Grid rootGrid = led.GetTemplateChild("gdRoot") as Grid; if (rootGrid == null) { return; } //清除原图形 if (led.rootGrid != null) { led.rootGrid.Children.Clear(); } //画新数字图形 //初始化Segments的点集digitalSegmentDict led.SetSegmentsData(); //画数字 led.dd = led.DrawSegments(led.digitalSegmentDict, led.LEDColor); //将线段添加到容器 led.AddSegmentsToPanel(led.dd); led.dd.DisplayDigital(led.Value); }