Accord.Imaging.Drawing.CheckPixelFormat C# (CSharp) Method

        private static void CheckPixelFormat(PixelFormat format)
        {
            // check pixel format
            if (
                (format != PixelFormat.Format24bppRgb) &&
                (format != PixelFormat.Format8bppIndexed) &&
                (format != PixelFormat.Format32bppArgb) &&
                (format != PixelFormat.Format32bppRgb)
                )
            {
                throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
            }
        }