using System;
using System.Reflection;
using System.IO;

class Program {

    public static void Main()
    {
        object watcher = new FileSystemWatcher()
            .GetType ()
            .GetField ("watcher", BindingFlags.NonPublic | BindingFlags.Static)
            .GetValue (null);
        
        Console.WriteLine ("Your file system watcher is: {0}",
                   watcher != null
                   ? watcher.GetType ().FullName
                   : "unknown");
    }
}