現在選択されている Appointment のすべてが繰り返し予定のメンバーである場合、繰り返し予定がそれぞれのプロンプト メッセージを表示するため、 DisplayPromptMsg プロパティはデフォルトで False に設定されます。選択された Appointment のいずれかが繰り返し予定のメンバーではない場合、プロパティはデフォルトで True に設定されます。
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; }