public void Draw(IList <double> values, double max) { avgSeries.Points.Clear(); currentSeries.Points.Clear(); topSeries.Points.Clear(); topSeries.Points.AddY(max); int i; i = 0; foreach (var v in values) { i++; currentSeries.Points.AddXY(i, v); } var ppp = avgCalculator.Calculate(values); i = 0; foreach (var item in ppp) { i++; avgSeries.Points.AddXY(i, item); } }