/// <summary>
        /// Covert a bitmap to a byte array
        /// </summary>
        /// <param name="bitmap"></param>
        /// <returns>
        /// byte array, when bitmap could be converted
        /// null, when bitmap is null
        /// null, when bitmap could not be converted to byte array
        /// </returns>
        public byte[] ConvertBitMapToByteArray(Bitmap bitmap)
            byte[] result = null;

            if (bitmap != null)
                MemoryStream stream = new MemoryStream();
                bitmap.Save(stream, bitmap.RawFormat);
                result = stream.ToArray();

            return result;


  1. I’ trying this but i have this exception when attempt to fill a private byte[] field with the return of this method, can you help me?



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