How to use OxyPlot Diffrent Series in WPF C#

	    
using OxyPlot;
using OxyPlot.Axes;
using OxyPlot.Legends;
using OxyPlot.Series;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace OxyPlot_Series
{
  /// <summary>
  /// Interaction logic for MainWindow.xaml
  /// </summary>
  public partial class MainWindow : Window
  {

    public MainWindow()
    {
      InitializeComponent();
    }

    private void lineSeries_Click(object sender, RoutedEventArgs e)
    {
      double[] x = Enumerable.Range(1, 100).Select(v => ((double)v) / 10).ToArray();
      double[] y = x.Select(v => v * v).ToArray();

      var model = new PlotModel { Title = "OxyPlot - Line Series" };
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Left,
        Title = "Y",
      });
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Bottom,
        Title = "Number of items",
      });
      model = addLine(model, x, y, 2, OxyColors.Gray);
      model.Series[model.Series.Count - 1].Title = "X2";
      model.Legends.Add(new OxyPlot.Legends.Legend()
      {
        LegendPosition = LegendPosition.TopLeft,
        LegendFontSize = 12
      });
      plot.Model = model;

    }
    private void sccaterSeries_Click(object sender, RoutedEventArgs e)
    {
      Random rnd=new Random();
      double[] x = { 1.2, 2.1, 2.9, 4.5, 5, 5.7, 6.9, 8.3, 9.12, 10.0 };
      double[] y = new double[x.Length].Select(v => 10 * rnd.NextDouble()).ToArray();
      var model = new PlotModel { Title = "OxyPlot - Scatter Series" };
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Left,
        Title = "Y",
      });
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Bottom,
        Title = "Number of items",
      });
      model = addScater(model, x, y, 5, OxyColors.Red);
      model.Series[model.Series.Count - 1].Title = "X2 Data";
      model.Legends.Add(new OxyPlot.Legends.Legend()
      {
        LegendPosition = LegendPosition.TopLeft,
        LegendFontSize = 12
      });
      plot.Model = model;
    }
    private void barSeries_Click(object sender, RoutedEventArgs e)
    {
      double[] data = { 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 };
      var model = new PlotModel { Title = "OxyPlot - Bar Series" };
      model.Axes.Add(new CategoryAxis
      {
        Position = AxisPosition.Left,
        Title = "Y",
      });


      model = addBar(model, data, OxyColors.DarkGreen);
      model.Series[model.Series.Count - 1].Title = "X2";
      model.Legends.Add(new OxyPlot.Legends.Legend()
      {
        LegendPosition = LegendPosition.BottomRight,
        LegendFontSize = 12
      });
      plot.Model = model;
    }
    private void columnSeries_Click(object sender, RoutedEventArgs e)
    {
      double[][] x = new double[2][];
      x[0] = new double[] { 1.2, 2.1, 2.9, 4.5, 5, 5.7, 6.9, 8.3, 9.12, 10.0 };
      x[1] = new double[] { 1, 1.8, 3.3, 4.0, 5.7, 6.3, 7.6, 7.3, 8.9, 10.6 };
      double[][] y = new double[2][];
      y[0] = new double[] { 1.8, 3.8, 9.6, 15.1, 25.6, 38, 47, 60, 84, 102 };
      y[1] = new double[] { -1.9, -3.8, -9.6, -15.1, -25.6, -38, -47, -60, -84, -102 };
      var model = new PlotModel { Title = "OxyPlot - Column Series" };
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Left,
        ExtraGridlines = new Double[] { 0 },
        Title = "Y",
      });
      model.Axes.Add(new LinearAxis
      {
        Position = AxisPosition.Bottom,
        Title = "Number of items",
      });
      var cl = new OxyColor[] { OxyColors.DarkGreen, OxyColors.DarkRed };

      model = addColumn(model, x, y, 15, cl);
      model.Series[model.Series.Count - 2].Title = "X2";
      model.Series[model.Series.Count - 1].Title = "-X2";
      model.Legends.Add(new OxyPlot.Legends.Legend()
      {
        LegendPosition = LegendPosition.BottomRight,
        LegendFontSize = 12
      });
      plot.Model = model;
    }




    #region Methods
    private PlotModel addScater(PlotModel model, double[] x, double[] y, int size, OxyColor color)
    {
      var scatterSeries = new ScatterSeries { MarkerType = MarkerType.Circle };
      for (int i = 0; i < x.Length; i++)
      {
        scatterSeries.Points.Add(new ScatterPoint(x[i], y[i], size));
      }
      scatterSeries.MarkerFill = color;
      model.Series.Add(scatterSeries);
      return model;
    }
    private PlotModel addLine(PlotModel model, double[] x, double[] y, double lineThick, OxyColor colorValue)
    {
      var lineSeries = new LineSeries { StrokeThickness = lineThick, Color = colorValue };
      for (int i = 0; i < x.Length; i++)
      {
        lineSeries.Points.Add(new DataPoint(x[i], y[i]));
      }
      model.Series.Add(lineSeries);
      return model;
    }
    private PlotModel addBar(PlotModel model, double[] y, OxyColor color, string tit = "")
    {
      OxyPlot.Series.BarSeries ser = new BarSeries();
      ser.Title = tit;
      ser.FillColor = color;
      ser.LabelPlacement = LabelPlacement.Inside;
      var dd = new List<BarItem>();
      foreach (double yy in y)
        dd.Add(new BarItem { Value = yy });
      ser.ItemsSource = dd;
      model.Series.Add(ser);
      return model;

    }
    private PlotModel addColumn(PlotModel model, double[][] x, double[][] y, double barWidth, OxyColor[] colorValue)
    {
      for (int s = 0; s < y.Length; s++)
      {
        var lineSeries = new LinearBarSeries { BarWidth = barWidth, FillColor = colorValue[s] };
        for (int i = 0; i < x[0].Length; i++)
        {
          lineSeries.Points.Add(new DataPoint(x[s][i], y[s][i]));
        }
        model.Series.Add(lineSeries);
      }
      return model;
    }

    #endregion

  }
}