private void _dispatcherTimer_Tick(object sender, EventArgs e)
{
if (TimeRemaining == TimeSpan.Zero)
{
TimerLockUIStop();
}
TimeRemaining = TimeRemaining.Add(TimeSpan.FromSeconds(-1));
}
private void RoundTimeRemainingUpToSecond()
{
TimeRemaining = TimeRemaining.Add(new TimeSpan(0, 0, 0, 0, 1000 - TimeRemaining.Milliseconds));
}