private void HandleTimeChanged(object sender, EventArgs e)
{
Debug.WriteLine($"{nameof(HandleTimeChanged)} ({nameof(HiddenForm)}) hit!!");
_stopWatch.Stop();
DateTime previousSystemDateTime;
lock (_lock)
{
previousSystemDateTime = _now.Add(_stopWatch.Elapsed);
_now = DateTime.Now;
_stopWatch.Reset();
_stopWatch.Start();
}
const int ThresholdInSeconds = 15;
int deltaSeconds = Math.Abs((int)previousSystemDateTime.Subtract(DateTime.Now).TotalSeconds);
if (deltaSeconds < ThresholdInSeconds)
{
Debug.WriteLine($"An insignificant time change of {deltaSeconds} seconds was detected -- ignored because under {ThresholdInSeconds} second threshold");
return;
}
var newSystemDateTime = DateTime.Now;
var msg = $"{nameof(HandleTimeChanged)} from {previousSystemDateTime} to {newSystemDateTime:MM/dd/yyyy hh:mm:ss tt}";
Debug.WriteLine(msg);
_alertManager.NotifyTimeChange(previousSystemDateTime, newSystemDateTime);
}
