C#监听文件

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//全局变量 

public static FileSystemWatcher Watcher;

       /// <summary>
        /// 设置监听配置
        /// </summary>
        /// <returns>ture/false</returns>
        public static Boolean SetMonitorFile()
        {
            try
            {
                Watcher = new FileSystemWatcher();
                Watcher.Filter = "*.txt";
                Watcher.Path = "d:\\"; //路径
                Watcher.NotifyFilter = NotifyFilters.Size; //文件大小改变
                //文件改变事件
                Watcher.Changed += new FileSystemEventHandler(Watcher_Changed); ;
                //文件创建事件       
                Watcher.Created += new FileSystemEventHandler(Watcher_Created);
                //文件删除事件
                Watcher.Deleted += new FileSystemEventHandler(Watcher_Deleted);
                //文件重命名事件
                Watcher.Renamed += new RenamedEventHandler(Watcher_Renamed);
                //设置监听子目录
                Watcher.IncludeSubdirectories = false;
                //开始进行监听（其实此处是标示是否进行事件监听和抛出）
                Watcher.EnableRaisingEvents = true;
                //watcher.EndInit();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }

        }

C#监听文件

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原文地址：http://www.cnblogs.com/-lxl/p/4843853.html