TimeRange - Bad1

timerange_bad1.cs

    public void GenerateReport(DateTime endDate, TimeRange range)
	  {
            DateTime startDate;
            switch(range)
            {
                 case TimeRange.OneYear:
                       startDate = endDate.AddYears(-1);
                       break;
                 case TimeRange.ThreeMonths:
                       startDate = endDate.AddMonths(-3);
                       break;
                   // etc
                   default:
                       throw new ArgumentOutofRangeException();
             }