CollectionChanged Event
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INotifyCollectionChanged.CollectionChanged Event

Occurs when the collection changes.

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

'Declaration
Event CollectionChanged As NotifyCollectionChangedEventHandler
'Usage
Dim instance As INotifyCollectionChanged 
Dim handler As NotifyCollectionChangedEventHandler 

AddHandler instance.CollectionChanged, handler
You cannot use this event in XAML.

The event handler receives an argument of type NotifyCollectionChangedEventArgs,which contains data that is related to this event.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0
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