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FileSystemWatcher Demo

using System; using System.IO; public class MainClass {     public static void Main(string[] args)     {          FileSystemWatcher watcher = new FileSystemWatcher();          watcher.Path = @"c:\Test";          watcher.NotifyFilter  = NotifyFilters.LastAccess |                                  NotifyFilters.LastWrite |                                  NotifyFilters.FileName |                                  NotifyFilters.DirectoryName;          watcher.Filter = "*.txt";          watcher.Changed += new FileSystemEventHandler(OnChanged);          watcher.Created += new FileSystemEventHandler(OnChanged);          watcher.Deleted += new FileSystemEventHandler(OnChanged);          watcher.Renamed += new RenamedEventHandler(OnRenamed);          watcher.EnableRaisingEvents = true;                           }          public static void OnChanged(object source, FileSystemEventArgs e)     {            Console.WriteLine("Event Fired");     }     public static void OnRenamed(object source, RenamedEventArgs e)     {         Console.WriteLine("Event Fired");     } }