Setting Custom Colors at Run-time

You can set different colors for the data point in the same series using the DataSeries.PlotElementLoaded event like the following:

C#	Copy Code
DataSeries ds = new DataSeries() { ValuesSource = new double[] {-2, -1, 1, 2, 2, 1, -1, -3 } }; SolidColorBrush red = new SolidColorBrush(Colors.Red); SolidColorBrush blue = new SolidColorBrush(Colors.Blue); ds.PlotElementLoaded += (s, e) => { PlotElement pe = (PlotElement)s; if (pe != null && pe.DataPoint.PointIndex >= 0) // only points { // set color depending on point value if (pe.DataPoint.Value >= 0) pe.Fill = red; else pe.Fill = blue; } }; c1Chart1.Data.Children.Add(ds); c1Chart1.ChartType = ChartType.LineSymbols;

Copy Code

DataSeries ds = new DataSeries()
 {
   ValuesSource = new double[] {-2, -1, 1, 2, 2, 1, -1, -3 }
 };

SolidColorBrush red = new SolidColorBrush(Colors.Red);
SolidColorBrush blue = new SolidColorBrush(Colors.Blue);
ds.PlotElementLoaded += (s, e) =>
   {
     PlotElement pe = (PlotElement)s;
     if (pe != null &&
       pe.DataPoint.PointIndex >= 0) // only points
     {
       // set color depending on point value
       if (pe.DataPoint.Value >= 0)
         pe.Fill = red;
       else
         pe.Fill = blue;
     }
   };

c1Chart1.Data.Children.Add(ds);
c1Chart1.ChartType = ChartType.LineSymbols;

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