Write byte to a text file in CSharp

  /*from   www.j  a  v a2 s  . co  m*/

using System;
using System.IO;

public class MainClass
{
  static void Main(string[] args)
  {

    FileInfo MyFiles = new FileInfo(@"c:\Testing.txt");
    FileStream MyFileStream1 = MyFiles.OpenWrite();

    byte MyWriteByte = 100;

    MyFileStream1.WriteByte(MyWriteByte);
    
    MyFileStream1.Close();    
  }
}