MapChangedEventHandler<K,V> Delegate

Reference

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.

Edit

Represents the method that handles the changed event of an observable map.

public delegate void MapChangedEventHandler(IObservableMap<K, V> ^ sender, IMapChangedEventArgs<K> ^ event);

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(395646963, 38126, 16888, 189, 220, 118, 138, 137, 85, 68, 243)]
template <typename K, typename V>
class MapChangedEventHandler : MulticastDelegate

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(395646963, 38126, 16888, 189, 220, 118, 138, 137, 85, 68, 243)]
public delegate void MapChangedEventHandler<K,V>(IObservableMap<K,V> sender, IMapChangedEventArgs<K> event);

Public Delegate Sub MapChangedEventHandler(Of K, V)(sender As IObservableMap(Of K, V), event As IMapChangedEventArgs(Of K))

Type Parameters

K

V

Parameters

sender: IObservableMap<K,V>

The observable map that changed.

event: IMapChangedEventArgs<K>

The description of the change that occurred in the map.

Attributes: ContractVersionAttribute GuidAttribute

Windows requirements

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

Remarks

This delegate is used by the PropertySet.MapChanged event and the IObservableMap.MapChanged event.

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

Share via