ItemCheckStateChanging Event

Occurs before an UltraExplorerBarItem's checked state has changed.

Syntax

Visual Basic

'Declaration
 
Public Event ItemCheckStateChanging As ItemCheckStateChangingEventHandler

C#

public event ItemCheckStateChangingEventHandler ItemCheckStateChanging

Event Data

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

Property	Description
Cancel (Inherited from System.ComponentModel.CancelEventArgs)
Item	Read-only property that returns the UltraExplorerBarItem associated with the CancelableItemEventArgs.

Example

The following code shows how to process the ItemCheckStateChanging 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.

Visual Basic

Imports System.Diagnostics
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinExplorerBar


	Private Sub ultraExplorerBar1_ItemCheckStateChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs) Handles ultraExplorerBar1.ItemCheckStateChanging

		Debug.WriteLine(String.Format("The check state of item '{0}', from group '{1}', is about to be changed from '{2}'", e.Item, e.Item.Group, e.Item.Checked.ToString()))

	End Sub

C#

using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinExplorerBar;


		private void ultraExplorerBar1_ItemCheckStateChanging(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs e)
		{
			Debug.WriteLine(string.Format("The check state of item '{0}', from group '{1}', is about to be changed from '{2}'", e.Item, e.Item.Group, e.Item.Checked.ToString()));
		}

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