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C#-Quelltext

    //Load a Direct2D bitmap from the given gdi resource.
        public D2D.Bitmap LoadBitmap(Bitmap drawingBitmap)
        {
            D2D.Bitmap result = null;

            //Lock the gdi resource
            BitmapData drawingBitmapData = drawingBitmap.LockBits(
            new Rectangle(0, 0, drawingBitmap.Width, drawingBitmap.Height),
            ImageLockMode.ReadOnly, PixelFormat.Format32bppPArgb);

            //Prepare loading the image from gdi resource
            DataStream dataStream = new DataStream(drawingBitmapData.Scan0, drawingBitmapData.Stride * drawingBitmapData.Height, true, false);
            D2D.BitmapProperties properties = new D2D.BitmapProperties();
            properties.PixelFormat = new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Premultiplied);

            //Load the image from the gdi resource
            result = new D2D.Bitmap(rendertarget, new Size(drawingBitmap.Width, drawingBitmap.Height), dataStream, drawingBitmapData.Stride, properties);

            //Unlock the gdi resource
            drawingBitmap.UnlockBits(drawingBitmapData);

            return result;
        }