Is there a good way to convert between BitmapSource and Bitmap?

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It is possible to do without using unsafe code by using Bitmap.LockBits and copy the pixels from the BitmapSource straight to the Bitmap

Bitmap GetBitmap(BitmapSource source) {
  Bitmap bmp = new Bitmap(
    source.PixelWidth,
    source.PixelHeight,
    PixelFormat.Format32bppPArgb);
  BitmapData data = bmp.LockBits(
    new Rectangle(Point.Empty, bmp.Size),
    ImageLockMode.WriteOnly,
    PixelFormat.Format32bppPArgb);
  source.CopyPixels(
    Int32Rect.Empty,
    data.Scan0,
    data.Height * data.Stride,
    data.Stride);
  bmp.UnlockBits(data);
  return bmp;
}

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