• Article

ReadOnlyObservableCollection<T>.CollectionChanged Event

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

Occurs when an item is added or removed.

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

Syntax

'Declaration
Protected Overridable Event CollectionChanged As NotifyCollectionChangedEventHandler

protected virtual event NotifyCollectionChangedEventHandler CollectionChanged

Remarks

For more information, see 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.