VC++绘制圆角的几何图形，如测试截图所示，你可以看到绘制出的圆角矩形、圆角正方形图案。通过这个VC++绘制实例，可了解下如何在窗体上定义一个矩形区域、如何绘制出矩形区域、如何绘制出圆角-VC++ to draw geometric shapes with rounded corners, as shown in the test shots, you can see the draw rounded rectangle, rounded square pattern. Through this