c# convert image to bitmap

convertImageToBitmap.cs

        private Bitmap convertImageToBitmap(Image targetImage)
        {
            Rectangle m_Rect = new Rectangle(0, 0, targetImage.Width, targetImage.Height);
            Bitmap pic = new Bitmap(targetImage.Width, targetImage.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
            byte[] imageData = convertImageToByteArray(targetImage);
            lock (targetImage)
            {
                System.Drawing.Imaging.BitmapData bmpData = pic.LockBits(
                    m_Rect, System.Drawing.Imaging.ImageLockMode.ReadWrite,
                    pic.PixelFormat
                );
                System.Runtime.InteropServices.Marshal.Copy(imageData, 0, bmpData.Scan0, imageData.Length);
                pic.UnlockBits(bmpData);
            }
            return pic;
        }

        private byte[] convertImageToByteArray(Image sourceImage)
        {
            ImageConverter imageConverter = new ImageConverter();
            byte[] xByte = (byte[])imageConverter.ConvertTo(sourceImage, typeof(byte[]));
            return xByte;
        }