在窗口上添加Chart控件

chart控件属性设置：【图表】–【ChartAreas集合】。此处设置了2个ChartArea。

设置曲线：如果曲线较少的话，可以在【属性】-【图表】-【Series集合】中添加曲线，

曲线较多，可以自己写代码设置

这个例子中我用代码设置了3条曲线。

全部代码如下：

private void Form1_Load(object sender, EventArgs e)
 {
     init();//曲线初始化
     timer1.Start();//开启计时器
 }
 /// <summary>
 /// 曲线初始化
 /// </summary>
 private void init()
 {
     //清除默认的series
     chart1.Series.Clear();
     for (int i = 0;i< 3;i++)
     {
         Series series = new Series(SERIES[i]);
         series.ChartType = SeriesChartType.Spline;
         series.MarkerBorderWidth = 2;
         series.MarkerSize = 4;
         series.MarkerStyle = MarkerStyle.Circle;
         series.ToolTip = SERIES[i] + " #VAL \r\n #AXISLABEL";
         chart1.Series.Add(series);
     }
 }

 /// <summary>
 /// 曲线
 /// </summary>
 private static string[] SERIES =
 {
     "曲线一","曲线二","曲线三"
 };

 /// <summary>
 /// 计时器
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void timer1_Tick(object sender, EventArgs e)
 {
     Random r1 = new Random();
     int val1 = r1.Next(0, 100);
     Random r2 = new Random();
     int val2 = r1.Next(0, 100);
     Random r3 = new Random();
     int val3 = r1.Next(0, 100);
     for (int i = 0; i < 3; i++)
     {
         this.chart1.Series[0].ChartArea = "ChartArea1";
         this.chart1.Series[1].ChartArea = "ChartArea1";
         this.chart1.Series[2].ChartArea = "ChartArea2";
         chart1.Series[0].Points.AddY(val1);
         chart1.Series[1].Points.AddY(val2);
         chart1.Series[2].Points.AddY(val3);
     }
 }