public static IEnumerable<int> GetMatchedDays(DateTime startDate, DayOfWeekOrdinal dayOfWeekOrdinal, DayOfWeek dayOfWeek)
{
int ordinal = 0;
DateTime currentDate = new DateTime(startDate.Year, startDate.Month,
dayOfWeekOrdinal == DayOfWeekOrdinal.Last ? DateTime.DaysInMonth(startDate.Year, startDate.Month) : 1);
while (currentDate.Month == startDate.Month)
{
if (IsDayOfWeekMatched(new[] { dayOfWeek }, currentDate))
{
if (dayOfWeekOrdinal == DayOfWeekOrdinal.Last)
{
if (currentDate.Day >= startDate.Day)
{
yield return currentDate.Day;
}
break;
}
ordinal++;
if (ordinal == (int)dayOfWeekOrdinal || dayOfWeekOrdinal == DayOfWeekOrdinal.None)
{
if (currentDate.Day >= startDate.Day)
{
yield return currentDate.Day;
}
break;
}
}
currentDate = currentDate.AddDays(dayOfWeekOrdinal == DayOfWeekOrdinal.Last ? -1 : 1);
}
}
public static IEnumerable <int> GetMatchedDays(DateTime startDate, DayOfWeekOrdinal dayOfWeekOrdinal, DayOfWeek dayOfWeek)
{
int ordinal = 0;
DateTime currentDate = new DateTime(startDate.Year, startDate.Month,
dayOfWeekOrdinal == DayOfWeekOrdinal.Last ? DateTime.DaysInMonth(startDate.Year, startDate.Month) : 1);
while (currentDate.Month == startDate.Month)
{
if (IsDayOfWeekMatched(new[] { dayOfWeek }, currentDate))
{
if (dayOfWeekOrdinal == DayOfWeekOrdinal.Last)
{
if (currentDate.Day >= startDate.Day)
{
yield return(currentDate.Day);
}
break;
}
ordinal++;
if (ordinal == (int)dayOfWeekOrdinal || dayOfWeekOrdinal == DayOfWeekOrdinal.None)
{
if (currentDate.Day >= startDate.Day)
{
yield return(currentDate.Day);
}
break;
}
}
currentDate = currentDate.AddDays(dayOfWeekOrdinal == DayOfWeekOrdinal.Last ? -1 : 1);
}
}
