MapChangedEventHandler MapChangedEventHandler MapChangedEventHandler MapChangedEventHandler Delegate

Definition

Namespace:: Windows.Foundation.Collections Windows.Foundation.Collections Windows.Foundation.Collections Windows.Foundation.Collections

Edit

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

public : delegate void MapChangedEventHandler(IObservableMap<K, V> sender, IMapChangedEventArgs<K> event)public delegate void MapChangedEventHandler(IObservableMap<K, V> sender, IMapChangedEventArgs<K> event)Public Delegate MapChangedEventHandler(sender As IObservableMap<K, V>, event As IMapChangedEventArgs<K>)// You can use this delegate in JavaScript.

Parameters

sender: IObservableMap<K, V> IObservableMap<K, V> IObservableMap<K, V> IObservableMap<K, V>

The observable map that changed.

event: IMapChangedEventArgs<K> IMapChangedEventArgs<K> IMapChangedEventArgs<K> IMapChangedEventArgs<K>

The description of the change that occurred in the map.

Attributes: ContractVersionAttribute GuidAttribute

Windows 10 requirements

Device family	Windows 10 (introduced v10.0.10240.0)
API contract	Windows.Foundation.FoundationContract (introduced v1)

Remarks

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