protected override IEnumerable <Occurrence> GetNextOccurrences(Occurrence lastOccurrence, TimeSpan startTime, TimeSpan endTime)
{
int[] days;
DateTime startDate;
if (lastOccurrence != null)
{
startDate = lastOccurrence.Start.Date.Add(startTime).AddDays(1 - lastOccurrence.Start.Day).AddMonths(Interval);
days = SPRecurrenceHelper.GetMatchedDays(startDate, DayOfWeekOrdinal, DayOfWeek).ToArray();
}
else
{
startDate = StartDate.Date.Add(startTime);
if (StartDate > startDate)
{
startDate = StartDate;
}
days = SPRecurrenceHelper.GetMatchedDays(startDate, DayOfWeekOrdinal, DayOfWeek).ToArray();
if (days.Length == 0)
{
startDate = startDate.AddDays(1 - startDate.Day).AddMonths(1);
days = SPRecurrenceHelper.GetMatchedDays(startDate, DayOfWeekOrdinal, DayOfWeek).ToArray();
}
}
foreach (int day in days)
{
startDate = startDate.AddDays(day - startDate.Day);
DateTime endDate = startDate.Date.Add(endTime);
if (startDate <= endDate)
{
if (EndDate.HasValue && endDate >= EndDate.Value)
{
yield return(new Occurrence(startDate, EndDate.Value));
}
else
{
yield return(new Occurrence(startDate, endDate));
}
}
}
}
protected override IEnumerable <Occurrence> GetNextOccurrences(Occurrence lastOccurrence, TimeSpan startTime, TimeSpan endTime)
{
DateTime startDate;
if (lastOccurrence != null)
{
startDate = lastOccurrence.Start.Date.Add(startTime).AddDays(7 * Interval);
}
else
{
startDate = StartDate.Date.Add(startTime);
if (StartDate > startDate)
{
startDate = StartDate;
}
}
while (startDate.DayOfWeek != FirstDayOfWeek)
{
startDate = startDate.AddDays(-1);
}
do
{
DateTime endDate = startDate.Date.Add(endTime);
if (startDate <= endDate)
{
if (SPRecurrenceHelper.IsDayOfWeekMatched(DaysOfWeek, startDate))
{
if (EndDate.HasValue && endDate >= EndDate.Value)
{
yield return(new Occurrence(startDate, EndDate.Value));
}
else
{
yield return(new Occurrence(startDate, endDate));
}
}
}
startDate = startDate.AddDays(1);
} while (startDate.DayOfWeek != FirstDayOfWeek);
}