SchedulerStorageBase.AppointmentDeleting Event

Allows you to cancel the deletion of an appointment.

Namespace: DevExpress.XtraScheduler

Assembly: DevExpress.XtraScheduler.v24.1.Core.Desktop.dll

NuGet Package: DevExpress.Scheduler.CoreDesktop

Declaration

C#

public event PersistentObjectCancelEventHandler AppointmentDeleting

VB.NET

Public Event AppointmentDeleting As PersistentObjectCancelEventHandler

Event Data

The AppointmentDeleting event's data class is PersistentObjectCancelEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets whether to cancel the operation.
Object	Gets the persistent object (appointment, resource or appointment dependency) for which the event occurs. Inherited from PersistentObjectEventArgs.

Remarks

The AppointmentDeleting event is raised before an appointment is deleted and allows you to cancel the deletion of an appointment. The event parameter’s PersistentObjectEventArgs.Object property allows the processed appointment to be identified. To prevent it from being deleted, set the PersistentObjectCancelEventArgs.Cancel property to true.

Important

Do not modify a persistent object for which the event is raised in the event handler’s code.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the AppointmentDeleting event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-scheduler-sync-outlook-calendars/CS/SyncWithOutlook/OutlookSynchronizerHelper.cs#L78

    _storage.AppointmentsChanged += Storage_AppointmentsChanged;
    _storage.AppointmentDeleting += Storage_AppointmentDeleting;
}

VB.NET

winforms-scheduler-sync-outlook-calendars/VB/SyncWithOutlook/OutlookSynchronizerHelper.vb#L107

    AddHandler _storage.AppointmentsChanged, AddressOf Storage_AppointmentsChanged
    AddHandler _storage.AppointmentDeleting, AddressOf Storage_AppointmentDeleting
End Sub

Implements

AppointmentDeleting