OnCollectionChanged(NotifyCollectionChangedAction,Object,Int32,Int32) Method

Raises the CollectionChanged event

Syntax

Visual Basic

'Declaration
 
Protected Friend Overloads Overridable Sub OnCollectionChanged( _
   ByVal action As NotifyCollectionChangedAction, _
   ByVal item As Object, _
   ByVal index As Integer, _
   ByVal oldIndex As Integer _
) 

C#

protected internal virtual void OnCollectionChanged( 
   NotifyCollectionChangedAction action,
   object item,
   int index,
   int oldIndex
)

Parameters

action

item

index

oldIndex

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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