VB.NET获取圆角矩形 能获取一个圆 和圆心坐标 也能获取矩形-VB.NET Get the Rounded Rectangle To obtain the coordinates of a circle and the center of the circle can also obtain the rectangular

用画笔绘制圆角矩形，椭圆，饼形，并用不同颜色画刷进行填充。-Draw a rounded rectangle, ellipse, pie with a brush, and brush with a different color fill.