PRoConEvents.MULTIbalancer.GetTimeInRoundString C# (CSharp) Method

        private String GetTimeInRoundString()
        {
            DateTime rst = (fRoundStartTimestamp == DateTime.MinValue) ? DateTime.Now : fRoundStartTimestamp;
            Match rm = Regex.Match(DateTime.Now.Subtract(fRoundStartTimestamp).ToString(), @"([0-9]+:[0-9]+:[0-9]+)");
            return ( (rm.Success) ? rm.Groups[1].Value : "?" );
        }