public CountdownDateTime(Countdown countdown, DateTime dateTime)
 {
     Countdown = countdown;
     DateTime  = dateTime;
 }
 public DayBeforeCountdown(string title, Countdown countdown, params DayOfWeek[] daysOfWeek) : base(title)
 {
     DayAdjustment  = -1.0;
     DaysOfWeek     = daysOfWeek;
     FixedCountdown = countdown;
 }
        public override int GetHashCode()
        {
            var hash = Countdown.GetHashCode() ^ DateTime.GetHashCode();

            return(hash);
        }