NotifyCollectionChangedEventArgs.NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList, Int32) Constructor

Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item change or a reset change.

Namespace: System.Collections.Specialized
Assembly: WindowsBase (in windowsbase.dll)

Public Sub New ( _
	action As NotifyCollectionChangedAction, _
	changedItems As IList, _
	startingIndex As Integer _
Dim action As NotifyCollectionChangedAction
Dim changedItems As IList
Dim startingIndex As Integer

Dim instance As New NotifyCollectionChangedEventArgs(action, changedItems, startingIndex)
public NotifyCollectionChangedEventArgs (
	NotifyCollectionChangedAction action, 
	IList changedItems, 
	int startingIndex
public function NotifyCollectionChangedEventArgs (
	action : NotifyCollectionChangedAction, 
	changedItems : IList, 
	startingIndex : int
You cannot use constructors in XAML.



The action that caused the event. This can be set to Reset, Add, or Remove.


The items affected by the change.


The index where the change occurred.

Exception typeCondition


If action is not Reset, Add, or Remove, if action is Reset and either changedItems is not null or startingIndex is not -1, or if action is Add or Remove and startingIndex is less than -1.


If action is Add or Remove and changedItems is null.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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