'Declaration 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; }
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