public void Add(DataSeries ds)
 {
     dataSeriesList.Add(ds);
     if (ds.SeriesName == "")
     {
         ds.SeriesName = "DataSeries" + dataSeriesList.Count.ToString();
     }
 }
 private void AddData(Graphics g)
 {
     dc.DataSeriesList.Clear();
     // Add data points to ds1:
     DataSeries ds1 = new DataSeries();
     ds1.LineStyle.LineColor = Color.Red;
     ds1.LineStyle.Thickness = 2f;
     ds1.LineStyle.Pattern = DashStyle.Dash;
     ds1.SeriesName = "x1*cos(x1)";
     for (int i = 0; i < 20; i++)
     {
         float x1 = 1.0f * i;
         float y1 = x1 * (float)Math.Cos(x1);
         ds1.AddPoint(new PointF(x1, y1));
     }
     dc.Add(ds1);
     // Add data points to ds2:
     DataSeries ds2 = new DataSeries();
     ds2.LineStyle.LineColor = Color.Blue;
     ds2.LineStyle.Thickness = 2f;
     ds2.SeriesName = "100 + 20*x2";
     ds2.IsY2Data = true;
     for (int i = 5; i < 30; i++)
     {
         float x2 = 1.0f * i;
         float y2 = 100.0f + 20.0f*x2;
         ds2.AddPoint(new PointF(x2, y2));
     }
     dc.Add(ds2);
 }
 public void Insert(int dataSeriesIndex, DataSeries ds)
 {
     dataSeriesList.Insert(dataSeriesIndex, ds);
     if (ds.SeriesName == "")
     {
         dataSeriesIndex = dataSeriesIndex + 1;
         ds.SeriesName = "DataSeries" + dataSeriesIndex.ToString();
     }
 }