MapChangedEventHandler<K,V> Delegate

Reference

Definition

Namespace:: Windows.Foundation.Collections

Important

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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