CollectionChange Enum
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Describes the action that causes a change to a collection.
public enum class CollectionChange
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
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
- Inheritance
-
CollectionChange
- Attributes
Device family |
Windows 10 (introduced in 10.0.10240.0)
|
API contract |
Windows.Foundation.FoundationContract (introduced in v1.0)
|
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. |
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.