'Declaration Public Delegate Sub BeforeAppointmentsDeletedEventHandler( _ ByVal sender As Object, _ ByVal e As BeforeAppointmentsDeletedEventArgs _ )
public delegate void BeforeAppointmentsDeletedEventHandler( object sender, BeforeAppointmentsDeletedEventArgs e )
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
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; }
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