c# Graphics使用方法(画圆写字代码)

画填充圆: 代码如下:Graphics gra = this.pictureBox1.CreateGraphics();gra.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;Brush bush = new SolidBrush(Color.Green);//填充的颜色gra.FillEllipse(bush, 10, 10, 100, 100);//画填充椭圆的方法,x坐标、y坐标、宽、高,如果是100,则半径为50画圆圈: 代码如下:Graphics gra = this.pictureB