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ObservableCollection<T>.CollectionChanged Event

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Occurs when an item in the collection changes, or the entire collection changes.

Namespace:  System.Collections.ObjectModel
Assembly:  System.Windows (in System.Windows.dll)

Syntax

'Declaration
Public Event CollectionChanged As NotifyCollectionChangedEventHandler

public event NotifyCollectionChangedEventHandler CollectionChanged

Implements

INotifyCollectionChanged.CollectionChanged

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.