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CollectionChange Enum
Definition
- Namespace:
- Windows.Foundation.Collections
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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 CollectionChangevar value = Windows.Foundation.Collections.CollectionChange.resetPublic Enum CollectionChange- Inheritance
-
CollectionChange
- Attributes
Windows requirements
| Requirements | Description |
|---|---|
| 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
See also
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