public override string ToString() { return String.Format("{0:D4}-{1:D2}-{2:D2}\t{3:D2}:{4:D2}\t{5:F5}\t{6:F5}\t{7:F5}\t{8:F5}\t{9:D6}", time.Year, time.Month, time.Day, time.Hour, time.Minute, open, high, low, close, volume); }