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c# watcher怎样设置监控条件

c#
小樊
83
2024-09-24 17:28:00
栏目: 编程语言

在C#中,你可以使用FileSystemWatcher类来监控文件系统的变化。要设置监控条件,你需要在创建FileSystemWatcher实例时配置相应的属性。以下是一些常见的监控条件设置方法:

  1. 监控特定目录:
string path = @"C:\example_directory\";
FileSystemWatcher watcher = new FileSystemWatcher(path);
  1. 监控特定文件类型:
watcher.Filter = "*.txt"; // 监控所有.txt文件
  1. 监控文件名包含特定字符串:
watcher.Filter = "*example*.txt"; // 监控文件名包含"example"的所有.txt文件
  1. 监控文件创建事件:
watcher.NotifyFilter = NotifyFilters.CreationTime;
  1. 监控文件更改事件:
watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
  1. 监控文件删除事件:
watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.Deletion;
  1. 监控文件重命名事件:
watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.Renaming;
  1. 添加自定义事件处理程序:
watcher.Created += new FileSystemEventHandler(OnChanged);
watcher.Changed += new FileSystemEventHandler(OnChanged);
watcher.Deleted += new FileSystemEventHandler(OnChanged);
watcher.Renamed += new RenamedEventHandler(OnRenamed);

private static void OnChanged(object source, FileSystemEventArgs e)
{
    // 处理文件更改事件
}

private static void OnRenamed(object source, RenamedEventArgs e)
{
    // 处理文件重命名事件
}

通过组合这些属性和事件处理程序,你可以根据需要设置监控条件。

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