SMILET
用GDI+画出来,在form的Paint事件中添加如下代码(自己调下坐标值):Graphics graphic = e.Graphics;Pen pen = new Pen(Color.Blue);for (int i=0; i < 200; i++){for (int j=0; j < 200; j++){graphic.DrawEllipse(pen, x, y, 1, 1);graphic.DrawString("("+i+","+j+")",new Font("Verdana",5), new SolidBrush(Color.Tomato),i,j);}}另外没弄懂你的赋值是什么用意,如果纯显示,这样效果好些:Graphics graphic = e.Graphics;Pen pen = new Pen(Color.Blue);for (int x=0, i=0; x < 400; x+=40, i++){for (int y=0, j=0; y < 400; y+=40, j++){graphic.DrawEllipse(pen, x, y, 1, 1);graphic.DrawString("("+i+","+j+")",new Font("Verdana",5), new SolidBrush(Color.Tomato),x,y);}}