Csharp/C Sharp by API/System.IO/FileAccess

FileAccess.Write

 
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.IO.rupression;
using System.Net;
using System.Net.Mail;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Text;
public class MainClass
{
    public static void Main()
    {
        using (FileStream fs2 = File.Open("c:\\test.txt", FileMode.Append, FileAccess.Write))
        {
        }
    }
}