Print last added lines to a file in the console

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Threading.Tasks;

namespace ConsoleApplication7
{
    class Program
    {
        static StreamReader streamReader;
        static void Main(string[] args)
        {
            var fileStream = File.Open("C:\\Bandeja\\test.txt", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            streamReader = new StreamReader(fileStream);
            var watcher = new System.IO.FileSystemWatcher("C:\\Bandeja", "test.txt");
            watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;
            watcher.EnableRaisingEvents = true;
            watcher.Changed += (object sender, FileSystemEventArgs e) => {
                ReadAndWrite();
            };
            ReadAndWrite();
            while (Console.Read() != 'q') ;
        }

        static void ReadAndWrite()
        {
            Console.WriteLine(streamReader.ReadToEnd());
        }
    }
}