NotifyCollectionChangedAction NotifyCollectionChangedAction NotifyCollectionChangedAction Enum


Describes the action that caused a CollectionChanged event.

.NET This type appears as System.Collections.Specialized.NotifyCollectionChangedAction.

public : enum class NotifyCollectionChangedAction
public enum NotifyCollectionChangedAction
Public Enum NotifyCollectionChangedAction
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)


Add Add Add

One or more items were added to the collection.

Move Move Move

One or more items were moved within the collection.

Remove Remove Remove

One or more items were removed from the collection.

Replace Replace Replace

One or more items were replaced in the collection.

Reset Reset Reset

The content of the collection changed dramatically.


When programming with .NET, this type is hidden and developers should use the System.Collections.Specialized.NotifyCollectionChangedAction type.

See Also