CollectionChanged Event (AnnObservableCollection<T>)

Occurs when the collection changes.

Syntax

WinRT C#
WinRT JavaScript

public event EventHandler<AnnNotifyCollectionChangedEventArgs> CollectionChanged

add_CollectionChanged(function(sender, e))
remove_CollectionChanged(function(sender, e))

Event Data

The event handler receives an argument of type AnnNotifyCollectionChangedEventArgs containing data related to this event. The following AnnNotifyCollectionChangedEventArgs properties provide information specific to this event.

Property	Description
Action	Gets the action that caused the event.
NewItems	Gets the list of new items involved in the change.
NewStartingIndex	Gets the index at which the change occurred.
OldItems	Gets the list of items affected by a Replace, Remove, or Move action.
OldStartingIndex	Gets the index at which a Move, Remove, or Replace action occurred.

Requirements

Target Platforms: Windows 7, 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

Reference

AnnObservableCollection<T> Class
AnnObservableCollection<T> Members