Contains information about the recurring
Appointment that is being deleted.
The following example demonstrates how to use the parameters of the 'BeforeRecurringAppointmentDeleted' event.
For an overview of how to handle events in Visual Basic or Visual C#, see
Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see
Consuming Events in the
.NET Framework Developer's Guide.
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule
Imports System.Diagnostics
Private Sub ultraCalendarInfo1_BeforeRecurringAppointmentDeleted(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinSchedule.BeforeRecurringAppointmentDeletedEventArgs) Handles ultraCalendarInfo1.BeforeRecurringAppointmentDeleted
' The 'BeforeRecurringAppointmentDeleted' is invoked before a
' recurring appointment is deleted and provides a chance to
' prevent the deletion or modify what the user is deleting.
'
' The 'RecurrenceEditType' parameter is used to determine
' what will be deleted. When left to the default of 'UserSelect',
' the user will be prompted whether they would like to
' delete the individual occurrence or the entire series.
' This property can also be changed here to prevent that prompt.
' The following code only allows the user to remove
' occurances of a recurring appointment unless the
' appointment has not begun yet.
'
If e.Appointment.StartDateTime > DateTime.Now Then
e.RecurrenceEditType = RecurrenceEditType.Series
Else
e.RecurrenceEditType = RecurrenceEditType.Occurrence
End If
' To prevent the deletion of the appointment, set the
' 'Cancel' parameter to true
If e.Recurrence.PatternFrequency = RecurrencePatternFrequency.Yearly Then
e.Cancel = True
End If
End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinSchedule;
using System.Diagnostics;
private void ultraCalendarInfo1_BeforeRecurringAppointmentDeleted(object sender, Infragistics.Win.UltraWinSchedule.BeforeRecurringAppointmentDeletedEventArgs e)
{
// The 'BeforeRecurringAppointmentDeleted' is invoked before a
// recurring appointment is deleted and provides a chance to
// prevent the deletion or modify what the user is deleting.
//
// The 'RecurrenceEditType' parameter is used to determine
// what will be deleted. When left to the default of 'UserSelect',
// the user will be prompted whether they would like to
// delete the individual occurrence or the entire series.
// This property can also be changed here to prevent that prompt.
// The following code only allows the user to remove
// occurances of a recurring appointment unless the
// appointment has not begun yet.
//
if (e.Appointment.StartDateTime > DateTime.Now)
e.RecurrenceEditType = RecurrenceEditType.Series;
else
e.RecurrenceEditType = RecurrenceEditType.Occurrence;
// To prevent the deletion of the appointment, set the
// 'Cancel' parameter to true
if (e.Recurrence.PatternFrequency == RecurrencePatternFrequency.Yearly)
e.Cancel = true;
}
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2