IsExistingRecurrence プロパティ

CancelableAppointmentEventArgs.Appointment が繰り返し予定のメンバーであるかどうかを返します。

シンタックス

Visual Basic

'宣言
 
Public ReadOnly Property IsExistingRecurrence As Boolean

C#

public bool IsExistingRecurrence {get;}

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule
Imports System.Diagnostics

	Private Sub ultraCalendarInfo1_BeforeDisplayAppointmentRecurrenceDialog(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinSchedule.DisplayAppointmentRecurrenceDialogEventArgs) Handles ultraCalendarInfo1.BeforeDisplayAppointmentRecurrenceDialog
		' The 'BeforeDisplayAppointmentRecurrenceDialog' event is
		' invoked from the built in UltraWinSchedule appointment
		' dialog when the Recurrence button is pressed and provides
		' an opportunity to prevent the dialog from being displayed
		' or modify what may be done.
		'

		' the 'IsExistingRecurrence' parameter indicates if the appointment
		' originally was part of a recurrence
		If Not e.IsExistingRecurrence Then
			' the 'Cancel' parameter can be used to prevent the dialog
			' from being displayed. in this case, we will not allow
			' new recurrences to be created.
			e.Cancel = True
		Else
			Dim recurrence As AppointmentRecurrence

			' get the recurrence - this should be available
			' since this block will only be executed if the 
			' 'IsExistingRecurrence' is true
			If e.Appointment.IsRecurringAppointmentRoot Then
				recurrence = e.Appointment.Recurrence
			Else
				recurrence = e.Appointment.RecurringAppointmentRoot.Recurrence
			End If

			' by default, a recurrence is allowed to continue without
			' a limit (see AppointmentRecurrence.RangeLimit) but the
			' 'AllowNoEndDate' parameter can be used to prevent the user 
			' from being able to specify that the recurrence has no end date.
			'

			' if the appointment recurrence was created with a limit
			' do not allow the user to set this to not have  a limit
			If recurrence.RangeLimit <> RecurrenceRangeLimit.NoLimit Then
				e.AllowNoEndDate = False
			End If
		End If
	End Sub

C#

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

		private void ultraCalendarInfo1_BeforeDisplayAppointmentRecurrenceDialog(object sender, Infragistics.Win.UltraWinSchedule.DisplayAppointmentRecurrenceDialogEventArgs e)
		{
			// The 'BeforeDisplayAppointmentRecurrenceDialog' event is
			// invoked from the built in UltraWinSchedule appointment
			// dialog when the Recurrence button is pressed and provides
			// an opportunity to prevent the dialog from being displayed
			// or modify what may be done.
			//

			// the 'IsExistingRecurrence' parameter indicates if the appointment
			// originally was part of a recurrence
			if (!e.IsExistingRecurrence)
			{
				// the 'Cancel' parameter can be used to prevent the dialog
				// from being displayed. in this case, we will not allow
				// new recurrences to be created.
				e.Cancel = true;
			}
			else
			{
				AppointmentRecurrence recurrence;
				
				// get the recurrence - this should be available
				// since this block will only be executed if the 
				// 'IsExistingRecurrence' is true
				if (e.Appointment.IsRecurringAppointmentRoot)
					recurrence = e.Appointment.Recurrence;
				else
					recurrence = e.Appointment.RecurringAppointmentRoot.Recurrence;

				// by default, a recurrence is allowed to continue without
				// a limit (see AppointmentRecurrence.RangeLimit) but the
				// 'AllowNoEndDate' parameter can be used to prevent the user 
				// from being able to specify that the recurrence has no end date.
				//

				// if the appointment recurrence was created with a limit
				// do not allow the user to set this to not have  a limit
				if (recurrence.RangeLimit != RecurrenceRangeLimit.NoLimit)
					e.AllowNoEndDate = false;
			}
		}