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- using System;
- using System.IO;
- using System.Security.Permissions;
- public class Watcher
- {
- public static void Main()
- {
- Run();
- }
- [PermissionSet(SecurityAction.Demand, Name="FullTrust")]
- public static void Run()
- {
- string[] args = System.Environment.GetCommandLineArgs();
- // If a directory is not specified, exit program.
- if(args.Length != 2)
- {
- // Display the proper way to call the program.
- Console.WriteLine("Usage: Watcher.exe (directory)");
- return;
- }
- // Create a new FileSystemWatcher and set its properties.
- FileSystemWatcher watcher = new FileSystemWatcher();
- watcher.Path = args[1];
- /* Watch for changes in LastAccess and LastWrite times, and
- the renaming of files or directories. */
- watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite
- | NotifyFilters.FileName | NotifyFilters.DirectoryName;
- // Only watch text files.
- watcher.Filter = "*.txt";
- // Add event handlers.
- watcher.Changed += new FileSystemEventHandler(OnChanged);
- watcher.Created += new FileSystemEventHandler(OnChanged);
- watcher.Deleted += new FileSystemEventHandler(OnChanged);
- watcher.Renamed += new RenamedEventHandler(OnRenamed);
- // Begin watching.
- watcher.EnableRaisingEvents = true;
- // Wait for the user to quit the program.
- Console.WriteLine("Press \'q\' to quit the sample.");
- while(Console.Read()!='q');
- }
- // Define the event handlers.
- private static void OnChanged(object source, FileSystemEventArgs e)
- {
- // Specify what is done when a file is changed, created, or deleted.
- Console.WriteLine("File: " + e.FullPath + " " + e.ChangeType);
- }
- private static void OnRenamed(object source, RenamedEventArgs e)
- {
- // Specify what is done when a file is renamed.
- Console.WriteLine("File: {0} renamed to {1}", e.OldFullPath, e.FullPath);
- }
- }
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