PatternFrequency Property (AppointmentRecurrence)

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinSchedule;
using System.Diagnostics;

		private void CreateAllRecurringAppointments()
		{
			// The 'PatternFrequency' is used to indicate how often the
			// recurrence will occur. The options are daily, weekly,
			// monthly and yearly.
			//

			// A daily recurrence can either occur every x number
			// of days or occur every weekday
			//
			#region Daily

			DateTime dt = DateTime.Now;
			DateTime endDt = dt.AddHours(3d);
			Appointment dailyAppt = this.ultraCalendarInfo1.Appointments.Add(dt, endDt, "");

			// create the recurrence object
			dailyAppt.Recurrence = new AppointmentRecurrence();

			// This will be a daily recurrence that will occur
			// each weekday
			dailyAppt.Recurrence.PatternFrequency = RecurrencePatternFrequency.Daily;

			// In this case, we use the 'PatternDaysOfWeek' to
			// indicate that the daily occurrences should fall
			// on every weekday (each day but saturday and sunday).
			dailyAppt.Recurrence.PatternDaysOfWeek = RecurrencePatternDaysOfWeek.AllWeekdays;

			dailyAppt.Subject = "Occurs every weekday";


			Appointment dailyAppt2 = this.ultraCalendarInfo1.Appointments.Add(dt, endDt, "");
			dailyAppt2.Recurrence = new AppointmentRecurrence();

			// This will be a daily recurrence...
			dailyAppt.Recurrence.PatternFrequency = RecurrencePatternFrequency.Daily;

			// occur every 3 days
			dailyAppt2.Recurrence.PatternInterval = 3;

			dailyAppt2.Subject = "Occurs every 3 days";

			#endregion //Daily

			// A weekly recurrence will occur every x number of
			// weeks on particular days of the week
			//
			#region Weekly

			Appointment weekAppt = this.ultraCalendarInfo1.Appointments.Add(dt, endDt, "");
			weekAppt.Recurrence = new AppointmentRecurrence();

			// the 'PatternFrequency' indicates the frequency of the recurrence.
			weekAppt.Recurrence.PatternFrequency = RecurrencePatternFrequency.Weekly;

			// the recurrence should occur every other week
			weekAppt.Recurrence.PatternInterval = 2;

			// The 'PatternDaysOfWeek' specifies which days
			weekAppt.Recurrence.PatternDaysOfWeek = RecurrencePatternDaysOfWeek.Tuesday |
				RecurrencePatternDaysOfWeek.Friday;

			weekAppt.Subject = "Occurs Tuesday and Friday of every other week.";

			#endregion //Weekly

			// A monthly recurrence will occur either on a
			// specific day number of every x number of months
			// or it will need to be calculated and will occur
			// relative to the specified occurence days of
			// week and day in month pattern.
			//
			#region Monthly

			// For a calculated monthly recurrence, the 'PatternDaysOfWeek'
			// is used in conjuction with the 'PatternInterval' and
			// and 'PatternOccurrenceOfDayInMonth'.
			//

			Appointment mthAppt = this.ultraCalendarInfo1.Appointments.Add(dt, endDt, "");
			mthAppt.Recurrence = new AppointmentRecurrence();

			// this will be a monthly recurrence
			mthAppt.Recurrence.PatternFrequency = RecurrencePatternFrequency.Monthly;

			// the appointment will occur every other month so we specify
			// a patterninterval of 2
			mthAppt.Recurrence.PatternInterval = 2;

			// to have an appt occur based on a particular pattern, 
			// the patterntype must be set to calculated.
			mthAppt.Recurrence.PatternType = RecurrencePatternType.Calculated;
			
			// then you need to specify the calculation.
			mthAppt.Recurrence.PatternOccurrenceOfDayInMonth = RecurrencePatternOccurrenceOfDayInMonth.Last;
			mthAppt.Recurrence.PatternDaysOfWeek = RecurrencePatternDaysOfWeek.AllWeekdays;

			// we could have also specified a particular day
			// e.g.
			// appt.Recurrence.PatternDaysOfWeek = RecurrencePatternDaysOfWeek.Friday;

			mthAppt.Subject = "A monthly recurrence that occurs the last weekday of every other month";

			// For an explicit monthly recurrence, the 'PatternInterval' 
			// and 'PatternDayOfMonth' are used to determine when the 
			// occurrences begin

			Appointment mthAppt2 = this.ultraCalendarInfo1.Appointments.Add(dt, endDt, "");

			// create the recurrence object - see above for more
			mthAppt2.Recurrence = new AppointmentRecurrence();

			// this will be a monthly recurrence
			mthAppt2.Recurrence.PatternFrequency = RecurrencePatternFrequency.Monthly;

			// the appointment will occur every month
			mthAppt2.Recurrence.PatternInterval = 1;

			// the occurrences should start on the 
			mthAppt2.Recurrence.PatternDayOfMonth = 15;

			mthAppt2.Subject = "Occurs on the 15th day of every month";

			#endregion //Monthly


			// A yearly recurrence will occur either on a specific
			// day of a specific month (explicit pattern type) or
			// on a specific month where the day in the month
			// is calculated based on the specified day of week
			// and day in month pattern.
			//
			#region Yearly

			// For a calculated yearly recurrence, the 'PatternDaysOfWeek',
			// 'PatternOccurrenceOfDayInMonth' and 'PatternMonthOfYear'
			// are used.
			//

			Appointment yrAppt = this.ultraCalendarInfo1.Appointments.Add(dt, "");
			yrAppt.Recurrence = new AppointmentRecurrence();

			// this is a yearly occurrence
			yrAppt.Recurrence.PatternFrequency = RecurrencePatternFrequency.Yearly;

			// to have an appt occur based on a particular pattern (first, second, 
			// last, etc.) the patterntype must be set to calculated.
			yrAppt.Recurrence.PatternType = RecurrencePatternType.Calculated;

			yrAppt.Recurrence.PatternMonthOfYear = 11;

			// its the fourth thursday so specify fourth...
			yrAppt.Recurrence.PatternOccurrenceOfDayInMonth = RecurrencePatternOccurrenceOfDayInMonth.Fourth;

			// and it falls on thursday...
			yrAppt.Recurrence.PatternDaysOfWeek = RecurrencePatternDaysOfWeek.Thursday;

			yrAppt.Subject = "Thanksgiving";

			// For an explicit yearly recurrence, the 'PatternDayOfMonth'
			// and 'PatternMonthOfYear' are used.
			//

			Appointment yrAppt2 = this.ultraCalendarInfo1.Appointments.Add(dt, "");
			yrAppt2.Recurrence = new AppointmentRecurrence();

			// this is a yearly occurrence
			yrAppt2.Recurrence.PatternFrequency = RecurrencePatternFrequency.Yearly;
			yrAppt2.Recurrence.PatternMonthOfYear = 12;
			yrAppt2.Recurrence.PatternDayOfMonth = 25;
			yrAppt2.Subject = "Christmas";

			#endregion //Yearly
		}