ChartSeries series = new ChartSeries("Series 1");
series.Points.Add(0, 500);
series.Points.Add(1,340);
series.Points.Add(3,440);
series.Type = ChartSeriesType.Line;
Me.ChartControl1.Series(0).Points.Add(-20, 20)
Me.ChartControl1.Series(0).Points.Add(0, 15)
Me.ChartControl1.Series(0).Points.Add(20, 15)
Me.ChartControl1.Series(0).Summary.ModelImpl.GetY(18)