Запись потока в текстовый файл - C#

 static void Main(string[] args)
        {
            Image image = Image.FromFile("C:\\1.bmp");
            System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
            image.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);
            byte[] b = memoryStream.ToArray();
 
            StreamWriter steamWriter = new StreamWriter("z:101.txt");
            
                steamWriter.WriteLine();
            }
            steamWriter.Close();
 
            System.IO.MemoryStream memoryStream1 = new System.IO.MemoryStream();
            foreach (byte b1 in b) memoryStream1.WriteByte(b1);
            Image image1 = Image.FromStream(memoryStream1);
            image1.Save("z:\\pi5.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
 
        }