/// <summary>
 /// Get byte array from the current output buffer memory space.
 /// </summary>
 /// <param name="start"> start index. </param>
 /// <param name="len"> len of the byte to read. </param>
 /// <returns></returns>
 public byte[] GetBytesFromOutputBuffer(int start, int len)
 {
     return(JCS_Utility.CopyByteArray(mOutputBuff, start, len));
 }