DDay.iCal.iCalDateTime.CompareTo C# (CSharp) Method

        public int CompareTo(IDateTime dt)
        {
            if (this.Equals(dt))
                return 0;
            else if (this < dt)
                return -1;
            else if (this > dt)
                return 1;
            throw new Exception("An error occurred while comparing two IDateTime values.");
        }