'宣言 Public Delegate Sub BeforeTimeSlotSelectionChangedEventHandler( _ ByVal sender As Object, _ ByVal e As BeforeTimeSlotSelectionChangedEventArgs _ )
public delegate void BeforeTimeSlotSelectionChangedEventHandler( object sender, BeforeTimeSlotSelectionChangedEventArgs e )
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Private Sub UltraDayView1_BeforeTimeSlotSelectionChanged(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinSchedule.BeforeTimeSlotSelectionChangedEventArgs) Handles UltraDayView1.BeforeTimeSlotSelectionChanged Dim oldRange As String = "[ " + e.OldSelectedTimeSlotRange.StartDateTime.ToLongTimeString() + " - " + e.OldSelectedTimeSlotRange.EndDateTime.ToLongTimeString() + " ]" Dim newRange As String = "[ " + e.NewSelectedTimeSlotRange.StartDateTime.ToLongTimeString() + " - " + e.NewSelectedTimeSlotRange.EndDateTime.ToLongTimeString() + " ]" Dim dr As DialogResult = MessageBox.Show(Me, "The selected time slot range is about to change from " + oldRange + " to " + newRange + ". Do you want to cancel the selection?", "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_BeforeTimeSlotSelectionChanged(object sender, Infragistics.Win.UltraWinSchedule.BeforeTimeSlotSelectionChangedEventArgs e) { string oldRange = "[ " + e.OldSelectedTimeSlotRange.StartDateTime.ToLongTimeString() + " - " + e.OldSelectedTimeSlotRange.EndDateTime.ToLongTimeString() + " ]"; string newRange = "[ " + e.NewSelectedTimeSlotRange.StartDateTime.ToLongTimeString() + " - " + e.NewSelectedTimeSlotRange.EndDateTime.ToLongTimeString() + " ]"; DialogResult dr = MessageBox.Show(this, "The selected time slot range is about to change from " + oldRange + " to " + newRange + ". Do you want to cancel the selection?", "Cancelable DayView Event", MessageBoxButtons.YesNo); if (dr == DialogResult.Yes) e.Cancel = true; }