Describes the action that causes a change to a collection.
public enum class CollectionChange
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)] public enum CollectionChange
var value = Windows.Foundation.Collections.CollectionChange.reset
Public Enum CollectionChange
Windows 10 requirements
Windows 10 (introduced in 10.0.10240.0)
Windows.Foundation.FoundationContract (introduced in v1.0)
An item is changed in the collection.
An item is added to the collection.
An item is removed from the collection.
The collection is changed.
There is only one notification per type of change to a collection. For example, if an item is inserted, then only a notification for an insertion is sent to a listener that is subscribed to receive change notifications. Use the Index property of the IVectorChangedEventArgs interface or the Key property of the IMapChangedEventArgs; interface to determine the location of the change.