摘要: // houlinbo QQ420021327 double A = Math.PI; double dBulge = Math.Sin(A / 4) / Math.Cos(A / 4); Polyline plCir = new Polyline(); plCir.AddVertexAt(0, new Point2d(pt1.X - R / 2, pt1.Y), dBulge, R, R); p... 阅读全文
posted @ 2009-12-17 18:48 houlinbo 阅读(1067) 评论(0) 推荐(0) 编辑