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