public ManagerActivity() { _platformsList = E_Platforms.PC; _rssmanager = new ManagerRSS(); PropertyChanged += MainListChanged; Update(); _firstUpdate = false; _timer = new Timer(RefreshRate * 1000); _timer.Elapsed += timer_Elapsed; _timer.Start(); _timerElapses = DateTime.UtcNow.AddSeconds(_refreshRate); _oneSecondTimer = new Timer(1000); _oneSecondTimer.Elapsed += timer_Elapses; _oneSecondTimer.Start(); }