BeforeAppointmentsDeletedEventHandler Delegate

Delegate for handling the event that occurs before appointments are deleted.

Syntax

Visual Basic

'Declaration
 
Public Delegate Sub BeforeAppointmentsDeletedEventHandler( _
   ByVal sender As Object, _
   ByVal e As BeforeAppointmentsDeletedEventArgs _
) 

C#

public delegate void BeforeAppointmentsDeletedEventHandler( 
   object sender,
   BeforeAppointmentsDeletedEventArgs e
)

Parameters

sender

e

Example

The following code demonstrates how to access the information passed in the event arguments of the BeforeAppointmentsDeleted event and optionally cancel the 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.

Visual Basic

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

	Private Sub UltraDayView1_BeforeAppointmentsDeleted(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinSchedule.BeforeAppointmentsDeletedEventArgs) Handles UltraDayView1.BeforeAppointmentsDeleted

		Dim dr As DialogResult = MessageBox.Show(Me, e.Appointments.Length.ToString() + " appointments are about to be deleted. Do you want to cancel the deletion?", "Cancelable DayView Event", MessageBoxButtons.YesNo)

		If dr = DialogResult.Yes Then
			e.Cancel = True
		End If

	End Sub

C#

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

		private void ultraDayView1_BeforeAppointmentsDeleted(object sender, Infragistics.Win.UltraWinSchedule.BeforeAppointmentsDeletedEventArgs e)
		{

			DialogResult dr =  MessageBox.Show(this, e.Appointments.Length.ToString() +  " appointments are about to be deleted. Do you want to cancel the deletion?", "Cancelable DayView Event", MessageBoxButtons.YesNo);

			if (dr == DialogResult.Yes)
				e.Cancel = true;

		}

Requirements

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