How to: Create Monthly Recurrence
- 2 minutes to read
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-create-appointments-with-various-recurrence-types-in-code-t574486.
public AppointmentItem CreateAppointmentPattern(string subj, int categoryId) {
AppointmentItem apt = new AppointmentItem(AppointmentType.Pattern);
apt.Start = DateTime.Today.AddHours(9);
apt.End = apt.Start.AddMinutes(5);
apt.Subject = subj;
apt.LabelId = categoryId;
return apt;
}
// An appointment occurs on the 11th day of each month. Four occurrences.
AppointmentItem apt1 = CreateAppointmentPattern("On 11th day of each month. Four occurrences.", 4);
apt1.RecurrenceInfo.Type = RecurrenceType.Monthly;
apt1.RecurrenceInfo.Start = apt1.Start;
apt1.RecurrenceInfo.DayNumber = 11;
apt1.RecurrenceInfo.WeekOfMonth = WeekOfMonth.None;
apt1.RecurrenceInfo.Range = RecurrenceRange.OccurrenceCount;
apt1.RecurrenceInfo.OccurrenceCount = 4;
scheduler.AppointmentItems.Add(apt1);
// An appointment occurs on the last Wednesday of the month, for 2 months. Infinite (no end date).
AppointmentItem apt2 = CreateAppointmentPattern("Last Wednesday of the month, for 2 months. Infinite (no end date).", 4);
apt2.RecurrenceInfo.Type = RecurrenceType.Monthly;
apt2.RecurrenceInfo.Periodicity = 2;
apt2.RecurrenceInfo.Start = apt2.Start;
apt2.RecurrenceInfo.WeekOfMonth = WeekOfMonth.Last;
apt2.RecurrenceInfo.WeekDays = WeekDays.Wednesday;
apt2.RecurrenceInfo.Range = RecurrenceRange.NoEndDate;
scheduler.AppointmentItems.Add(apt2);
// An appointment occurs on the first Monday of the month for 3 months. The series duration is one year.
AppointmentItem apt3 = CreateAppointmentPattern("First Monday of the month for 3 months. The series duration is one year.", 4);
apt3.RecurrenceInfo.Type = RecurrenceType.Monthly;
apt3.RecurrenceInfo.Periodicity = 3;
apt3.RecurrenceInfo.Start = apt3.Start;
apt3.RecurrenceInfo.WeekOfMonth = WeekOfMonth.First;
apt3.RecurrenceInfo.WeekDays = WeekDays.Monday;
apt3.RecurrenceInfo.Range = RecurrenceRange.EndByDate;
apt3.RecurrenceInfo.End = apt3.RecurrenceInfo.Start.AddYears(1);
scheduler.AppointmentItems.Add(apt3);