System.Timers.Timer.MyTimerCallback C# (CSharp) Méthode

        private void MyTimerCallback(object state)
        {
            // System.Threading.Timer will not cancel the work item queued before the timer is stopped.
            // We don't want to handle the callback after a timer is stopped.
            if (state != _cookie)
            {
                return;
            }

            if (!_autoReset)
            {
                _enabled = false;
            }

            ElapsedEventArgs elapsedEventArgs = new ElapsedEventArgs(DateTime.UtcNow.ToFileTime());
            try
            {
                // To avoid race between remove handler and raising the event
                ElapsedEventHandler intervalElapsed = _onIntervalElapsed;
                if (intervalElapsed != null)
                {
                    if (SynchronizingObject != null && SynchronizingObject.InvokeRequired)
                        SynchronizingObject.BeginInvoke(intervalElapsed, new object[] { this, elapsedEventArgs });
                    else
                        intervalElapsed(this, elapsedEventArgs);
                }
            }
            catch
            {
            }
        }
    }