wpf ToolKit(ver3.5) ChartのLinerAxisの原点を0でなく最小値にする

LinearOriginMinAxis.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls.DataVisualization.Charting;

namespace Views.Chart {
  /// <summary>
  /// wpf ToolKit Chartの線形軸の原点を0から最小値に変更する
  /// </summary>
  public class LinearOriginMinAxis : LinearAxis {

    protected override IComparable Origin {
      get {
        return ActualMinimum;
      }
    }
  }
}