public class ElementPresentationTarget : WindowsFormsHost, 
	IPresentationTarget

Public Class ElementPresentationTarget
	Inherits WindowsFormsHost
	Implements IPresentationTarget

public ref class ElementPresentationTarget : public WindowsFormsHost, 
	IPresentationTarget

type ElementPresentationTarget =  
    class
        inherit WindowsFormsHost
        interface IPresentationTarget
    end

using System.ComponentModel;
using System.Windows;
using System.Windows.Forms;
using DigitalRune.Graphics;

namespace MyApplication
{
  public partial class MyWindow
  {
    private IGraphicsService _graphicsService;

    public MyWindow(IGraphicsService graphicsService)
    {
      _graphicsService = graphicsService;

      InitializeComponent();
      Loaded += OnLoaded;
      MyPresentationTarget.Child.MouseDown += OnMouseDown;
    }

    private void OnLoaded(object sender, RoutedEventArgs eventArgs)
    {
      // Register render targets.
      _graphicsService.PresentationTargets.Add(MyPresentationTarget);
    }

    protected override void OnClosing(CancelEventArgs eventArgs)
    {
      // Unregister render targets.
      _graphicsService.PresentationTargets.Remove(PresentationTarget0);

      base.OnClosing(eventArgs);
    }

    private void OnMouseDown(object sender, MouseEventArgs eventArgs)
    {
      // Handle mouse event here.
    }
  }
}

<Window x:Class="MyApplication.MyWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dr="http://schemas.digitalrune.com/windows"
        Title="My Window">
  <Grid>
    <!--  WPF presentation target into which XNA graphics can be rendered:  -->
    <dr:ElementPresentationTarget x:Name="MyPresentationTarget" />
  </Grid>
</Window>