我想在动态绘制一条虚线,用了如下代码,但是画出的还是实线,请专家帮忙解决。
base.OnRender(drawingContext);
Pen pen = new Pen(Brushes.Yellow, 2);
DashStyle dash=new DashStyle(new DoubleCollection(){2,1},0);
pen.DashStyle =dash;
//绘制一张图片
drawingContext.DrawLine(pen, this.toolkitPoint1, this.toolkitPoint2);