c# GDI+简单绘图
angle rect = new Rectangle(10, 10, 50, 50);//定义矩形,参数为起点横纵坐标以及其长和宽//单色填充SolidBrush b1 = new SolidBrush(Color.Blue);//定义单色画刷 g.FillRectangle(b1, rect);//填充这个矩形//字符串g.DrawString("字符串", new Font("宋体", 10), b1, new PointF(90, 10));//用图片填充TextureBrush b2 = new TextureBrush(Image.FromFile(@"e:\pi