CollectionChange CollectionChange CollectionChange CollectionChange Enum

Definition

Namespace:: Windows.Foundation.Collections Windows.Foundation.Collections Windows.Foundation.Collections Windows.Foundation.Collections

Edit

Describes the action that causes a change to a collection.

public : enum class CollectionChangepublic enum CollectionChangePublic Enum CollectionChange// You can use this enum in JavaScript.

Attributes: ContractVersionAttribute

Windows 10 requirements

Device family	Windows 10 (introduced v10.0.10240.0)
API contract	Windows.Foundation.FoundationContract (introduced v1)

Fields

ItemChanged ItemChanged ItemChanged ItemChanged	An item is changed in the collection.
ItemInserted ItemInserted ItemInserted ItemInserted	An item is added to the collection.
ItemRemoved ItemRemoved ItemRemoved ItemRemoved	An item is removed from the collection.
Reset Reset Reset Reset	The collection is changed.

Remarks

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.