文件監聽程序

 protected override void OnStart(string[] args)
        {
            FileSystemWatcher watch = new FileSystemWatcher(@"D:/TestFolder/");
            watch.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.FileName;  //發生時期
            watch.Filter = "*.txt";            //監控類型
            watch.Created += new FileSystemEventHandler(watch_Created);             //事件
            watch.Deleted += new FileSystemEventHandler(watch_Deleted);
            watch.EnableRaisingEvents = true;//必須為true才會觸發事件
        }

        void watch_Deleted(object sender, FileSystemEventArgs e)
        {
         
        }

        void watch_Created(object sender, FileSystemEventArgs e)
        {
            FileStream fs = new FileStream(@"D:/TestFolder/" + e.Name, FileMode.OpenOrCreate, FileAccess.Write);
            StreamWriter m_streamWriter = new StreamWriter(fs);
            m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
            m_streamWriter.WriteLine(" mcWindowsService: Service Stopped " + DateTime.Now.ToString() + "/n");
            m_streamWriter.Flush();
            m_streamWriter.Close();
            fs.Close();
        }

        protected override void OnStop()
        {
           
        }