BACnet.Ashrae.SpecialEvent.PeriodType.Load C# (CSharp) Method

            public static PeriodType Load(IValueStream stream)
            {
                PeriodType ret = null;
                Tags tag = (Tags)stream.EnterChoice();
                switch(tag)
                {
                    case Tags.CalendarEntry:
                        ret = Value<CalendarEntryWrapper>.Load(stream);
                        break;
                    case Tags.CalendarReference:
                        ret = Value<CalendarReferenceWrapper>.Load(stream);
                        break;
                    default:
                        throw new Exception();
                }
                stream.LeaveChoice();
                return ret;
            }