UIElement上的多个几何剪辑 [英] multiple geometry clips on a UIElement

问题描述

我正在为Windows Phone 7使用C#，Silverlight，Visual Studio.

I am using C#, Silverlight, Visual Studio for Windows Phone 7.

是否可以提供UIElement多个Geometry剪辑?等同于:

Is there a way to give a UIElement multiple Geometry clips? Something equivalent to:

Path myPath = new Path();
myPath.Data = myRectangle; // say of size 100x100
myPath.Clip = myClipRect; // smaller rectangle, say of size 20x20, located at (0,0)
myPath.Clip = myClipEllipse; // circle of radius 30, centered on myRectangle

现在，myClipEllipse将覆盖myPath.Clip中的myClipRect，因此仅显示myClipEllipse.我正在寻找一个可以正确绘制这两个剪辑的myRectangle的结果(即未反转).

Right now, myClipEllipse will override myClipRect in myPath.Clip, so only myClipEllipse will be displayed. I'm looking for a result that draws myRectangle with both of these clips correctly (ie, not inverted).

推荐答案

我最终使用GeometryGroup类(

I ended up solving this using a GeometryGroup class (docs here). Just put all the geometries as children of the GeometryGroup, and give this GeometryGroup to the Clip.

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