CollectionChange Enum

Definition

Describes the action that causes a change to a collection.

C#
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
public enum CollectionChange
Inheritance
CollectionChange
Attributes

Windows requirements

Device family
Windows 10 (introduced in 10.0.10240.0)
API contract
Windows.Foundation.FoundationContract (introduced in v1.0)

Fields

Name Value Description
Reset 0

The collection is changed.

ItemInserted 1

An item is added to the collection.

ItemRemoved 2

An item is removed from the collection.

ItemChanged 3

An item is changed in the collection.

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<K> interface to determine the location of the change.

Applies to

Product Versions
WinRT Build 10240, Build 10586, Build 14383, Build 15063, Build 16299, Build 17134, Build 17763, Build 18362, Build 19041, Build 20348, Build 22000, Build 22621, Build 26100

See also