CollectionChanged Event

Occurs when the items list of the collection has changed or the collection is reset.

Syntax

Visual Basic
C#

'Declaration
 
Public Event CollectionChanged As System.Collections.Specialized.NotifyCollectionChangedEventHandler

'Usage
 
Dim instance As NotifyCollectionBase(Of T)
Dim handler As System.Collections.Specialized.NotifyCollectionChangedEventHandler
 
AddHandler instance.CollectionChanged, handler

public event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged

Event Data

The event handler receives an argument of type System.Collections.Specialized.NotifyCollectionChangedEventArgs containing data related to this event. The following NotifyCollectionChangedEventArgs properties provide information specific to this event.

Property	Description
Action
NewItems
NewStartingIndex
OldItems
OldStartingIndex

Requirements

Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

Reference

NotifyCollectionBase<T> Class
NotifyCollectionBase<T> Members