private System.Timers.Timer _Watcher = null;
        public System.Timers.Timer Watcher
        {
            get { return _Watcher; }
            set { _Watcher = value; }
        }
        private static BackgroundWorker BackgroundWorkerForJob { get; set; }

        public bool WorkInProcess { get; set; }
        public void Start()
        {
            GenerateWatcher();
        }

        public void Stop()
        {
            this.Watcher.Stop();
            this.Watcher.Dispose();
            _start = false;
        }

        private void GenerateWatcher()
        {
            this.Watcher = new System.Timers.Timer(5000);
            if (BackgroundWorkerForJob != null)
            {
                _start = false;
                BackgroundWorkerForJob.CancelAsync();
                BackgroundWorkerForJob.Dispose();
                BackgroundWorkerForJob = null;
            }
            BackgroundWorkerForJob = new BackgroundWorker();
            BackgroundWorkerForJob.DoWork += new DoWorkEventHandler(Watcher_DoWork);
            _start = true;
            BackgroundWorkerForJob.RunWorkerAsync();
        }

        private bool _start = false;
        private void Watcher_DoWork(object sender, DoWorkEventArgs e)
        {
            while (_start)
            {
                DoWork();
                System.Threading.Thread.Sleep(5000);
            }
        }

        private void DoWork()
        {
            try
            {
                if (!this.WorkInProcess)
                {
                    this.WorkInProcess = true;
                    this.Watcher.Interval = 5000;
                    //Çalıştıracağın metotu buraya yazacaksın
                    this.WorkInProcess = false;
                }
            }
            catch (Exception ex_)
            {
                try
                {
                    //DoCreateErrorLog(ex_);
                   //Eğer çalıştırdığın metot hata verirse burada loglama yapabilirsin
                }
                catch
                {
                }
                this.WorkInProcess = false;
            }
        }