public void CalculateStreamMD5Example2( )
        {
            #region CalculateStreamMD5Example2

            try
            {
                Bitmap bitmap = new Bitmap(100, 100);

                string md5 = SoftBasic.CalculateStreamMD5(bitmap);

                Console.WriteLine(md5);
            }
            catch (Exception ex)
            {
                Console.WriteLine("failed : " + ex.Message);
            }

            #endregion
        }
        public void CalculateStreamMD5Example1( )
        {
            #region CalculateStreamMD5Example1

            try
            {
                // stream 可以是文件流,网络流,内存流
                Stream stream = File.OpenRead("D:\\123.txt");

                string md5 = SoftBasic.CalculateStreamMD5(stream);

                Console.WriteLine(md5);
            }
            catch (Exception ex)
            {
                Console.WriteLine("failed : " + ex.Message);
            }

            #endregion
        }