pick a colorset from colorsets

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C#

WPF

I would like to pick a colorset for the colorsets to use in a graph, so that everygraph would have a different color. any help would be appreciated, and maybe an alternative solution to it.

this is the code:

ColorSet ct = new ColorSet();
                          ct.Id = "MyColorSet";
                          ct.Brushes.Add(new SolidColorBrush(Colors.Blue));

                          ColorSet ct2 = new ColorSet();
                          ct.Id = "MyColorSet2";
                          ct2.Brushes.Add(new SolidColorBrush(Colors.Brown));

                          ColorSet ct3 = new ColorSet();
                          ct.Id = "MyColorSet3";
                          ct3.Brushes.Add(new SolidColorBrush(Colors.Cyan));

                          ColorSet ct4 = new ColorSet();
                          ct.Id = "MyColorSet4";
                          ct4.Brushes.Add(new SolidColorBrush(Colors.DarkGray));

                          ColorSet ct5 = new ColorSet();
                          ct.Id = "MyColorSet5";
                          ct5.Brushes.Add(new SolidColorBrush(Colors.Gray));

                          ColorSet ct6 = new ColorSet();
                          ct.Id = "MyColorSet6";
                          ct6.Brushes.Add(new SolidColorBrush(Colors.Green));

                          // Create new instance of ColorSets class
                          chart.ColorSets = new ColorSets();

                          // Add ColorSet to ColorSets collection
                          chart.ColorSets.Add(ct);
                          chart.ColorSets.Add(ct2);
                          chart.ColorSets.Add(ct3);
                          chart.ColorSets.Add(ct4);
                          chart.ColorSets.Add(ct5);
                          chart.ColorSets.Add(ct6);


                          // Set ColorSet to chart
                          chart.ColorSet = "MyColorSet";