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BeforeTimeSlotSelectionChanged Event

Event fired before the time slot selection is changed.
Syntax
'Declaration
 
Public Event BeforeTimeSlotSelectionChanged As BeforeTimeSlotSelectionChangedEventHandler
public event BeforeTimeSlotSelectionChangedEventHandler BeforeTimeSlotSelectionChanged
Event Data

The event handler receives an argument of type BeforeTimeSlotSelectionChangedEventArgs containing data related to this event. The following BeforeTimeSlotSelectionChangedEventArgs properties provide information specific to this event.

PropertyDescription
Cancel (Inherited from System.ComponentModel.CancelEventArgs) 
NewSelectedTimeSlotRange Returns the new selected time slot range.
OldSelectedTimeSlotRange Returns the old selected time slot range.
Remarks

Both the old and new selected time slot range is passed in the event args.

The selection can be canceled from within this event by setting the event args Cancel parameter to true.

Example
The following code demonstrates how to access the information passed in the event arguments of the BeforeTimeSlotSelectionChanged event and optionally cancel the event.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

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;

		}
Requirements

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

See Also