source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/PointMarkers/DelegatePointMarker.cs @ 13847

using System;
using System.Windows;
using System.Windows.Media;

namespace Microsoft.Research.DynamicDataDisplay.PointMarkers
{
    /// <summary>Invokes specified delegate for rendering custon marker
    /// at every point of graph</summary>
  public sealed class DelegatePointMarker : PointMarker {
    public MarkerRenderHandler RenderCallback { get; set; }

    public DelegatePointMarker() { }
    public DelegatePointMarker(MarkerRenderHandler renderCallback) {
      if (renderCallback == null)
        throw new ArgumentNullException("renderCallback");
  
      RenderCallback = renderCallback;
    }

    public override void Render(DrawingContext dc, Point screenPoint) {
      RenderCallback(dc, screenPoint);
    }
  }
}