Winapi 如何检测新的或修改过的文件

我发现有两种方法可以解决这个问题

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我想知道它们之间的区别是什么，性能还是其他方面？

这是为Winapi标记的，但我还是尝试一下.net

您可以使用System.IO中的FileSystemWatcher类来实现此目的

static void Main(string[] args)
{
    FileSystemWatcher fsw = new FileSystemWatcher("C:\\");
    fsw.Changed += new FileSystemEventHandler(fsw_Changed);
    fsw.Created += new FileSystemEventHandler(fsw_Created);
    fsw.Deleted += new FileSystemEventHandler(fsw_Deleted);
    fsw.EnableRaisingEvents = true;
    fsw.IncludeSubdirectories = true;
    fsw.Renamed += new RenamedEventHandler(fsw_Renamed);

    Console.Read();
}

static void fsw_Renamed(object sender, RenamedEventArgs e)
{
    Console.WriteLine("{0} was changed to {1}", e.OldName, e.Name);
}

static void fsw_Deleted(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was deleted", e.Name);
}

static void fsw_Created(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was created", e.Name);
}

static void fsw_Changed(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was changed", e.Name);
}

---

这是为Winapi标记的，但我还是尝试一下.net

您可以使用System.IO中的FileSystemWatcher类来实现此目的

static void Main(string[] args)
{
    FileSystemWatcher fsw = new FileSystemWatcher("C:\\");
    fsw.Changed += new FileSystemEventHandler(fsw_Changed);
    fsw.Created += new FileSystemEventHandler(fsw_Created);
    fsw.Deleted += new FileSystemEventHandler(fsw_Deleted);
    fsw.EnableRaisingEvents = true;
    fsw.IncludeSubdirectories = true;
    fsw.Renamed += new RenamedEventHandler(fsw_Renamed);

    Console.Read();
}

static void fsw_Renamed(object sender, RenamedEventArgs e)
{
    Console.WriteLine("{0} was changed to {1}", e.OldName, e.Name);
}

static void fsw_Deleted(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was deleted", e.Name);
}

static void fsw_Created(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was created", e.Name);
}

static void fsw_Changed(object sender, FileSystemEventArgs e)
{
    Console.WriteLine("{0} was changed", e.Name);
}