Custom cursor in WPF?

<Window.Resources>
    <ResourceDictionary>
        <TextBlock x:Key="CursorGrab" Cursor="Resources/Cursors/grab.cur"/>
        <TextBlock x:Key="CursorMagnify" Cursor="Resources/Cursors/magnify.cur"/>
    </ResourceDictionary>
</Window.Resources>

if (selectedTool == "Hand")
    myCanvas.Cursor = ((TextBlock)this.Resources["CursorGrab"]).Cursor;
else if (selectedTool == "Magnify")
    myCanvas.Cursor = ((TextBlock)this.Resources["CursorMagnify"]).Cursor;
else
    myCanvas.Cursor = Cursor.Arrow;

public Cursor ConvertToCursor(Visual visual, Point hotSpot)
{
  int width = (int)visual.Width;
  int height = (int)visual.Height;

  // Render to a bitmap
  var bitmapSource = new RenderTargetBitmap(width, height, 96, 96, PixelFormats.Pbgra32);
  resultSource.Render(visual);

  // Convert to System.Drawing.Bitmap
  var pixels = new int[width*height];
  bitmapSource.CopyPixels(pixels, width, 0);
  var bitmap = new System.Drawing.Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppPargb);
  for(int y=0; y<height; y++)
    for(int x=0; x<width; x++)
      bitmap.SetPixel(x, y, Color.FromArgb(pixels[y*width+x]));

  // Save to .ico format
  var stream = new MemoryStream();
  new System.Drawing.Icon(resultBitmap.GetHIcon()).Save(stream);

  // Convert saved file into .cur format
  stream.Seek(2);
  stream.Write(2);
  stream.Seek(10);
  stream.Write((byte)(int)(hotSpot.X * width);
  stream.Write((byte)(int)(hotSpot.Y * height);
  stream.Seek(0);

  // Construct Cursor
  return new Cursor(stream);
}

<Grid x:Name="customCursor" Width="32" Height="32">
  ...
</Grid>

someControl.Cursor = ConvertToCursor(customCursor, new Point(0.5, 0.5));

<Window Cursor=""C:WINDOWSCursorsdinosaur.ani"" />