using System;
using System.IO;

class Program
{
    static void Main()
    {
        // 創(chuàng)建FileSystemWatcher實例
        FileSystemWatcher watcher = new FileSystemWatcher();

        // 設置要監(jiān)視的目錄
        watcher.Path = @"C:\YourFolderToWatch";

        // 過濾條件，例如只監(jiān)控.txt文件
        watcher.Filter = "*.txt";

        // 通知過濾器，設置需要監(jiān)控的事件類型
        watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite;

        // 注冊事件處理器
        watcher.Created += OnFileCreated;
        watcher.Deleted += OnFileDeleted;
        watcher.Changed += OnFileChanged;
        watcher.Renamed += OnFileRenamed;

        // 開始監(jiān)控
        watcher.EnableRaisingEvents = true;

        // 保持控制臺開啟，以便接收事件
        Console.WriteLine("Press 'Enter' to quit the sample.");
        Console.ReadLine();

        // 停止監(jiān)控
        watcher.EnableRaisingEvents = false;
    }

    // 當文件被創(chuàng)建時觸發(fā)
    private static void OnFileCreated(object source, FileSystemEventArgs e)
    {
        Console.WriteLine($"File: {e.FullPath} has been created.");
    }

    // 當文件被刪除時觸發(fā)
    private static void OnFileDeleted(object source, FileSystemEventArgs e)
    {
        Console.WriteLine($"File: {e.FullPath} has been deleted.");
    }

    // 當文件被修改時觸發(fā)
    private static void OnFileChanged(object source, FileSystemEventArgs e)
    {
        Console.WriteLine($"File: {e.FullPath} has been changed.");
    }

    // 當文件被重命名時觸發(fā)
    private static void OnFileRenamed(object source, RenamedEventArgs e)
    {
        Console.WriteLine($"File: {e.OldFullPath} has been renamed to {e.FullPath}.");
    }
}