NotifyCollectionChangedEventArgs Constructor

Initializes a new instance of the NotifyCollectionChangedEventArgs class.

Namespace: MindFusion.Common
File: Events.js

 Syntax

JavaScript

function NotifyCollectionChangedEventArgs (action, [changes, [index]])

 Parameters

action

NotifyCollectionChangedAction. The action that caused the event.

changes

Optional.

Type: Array
Array. The items affected by the change.

index

Optional.

Type: Number
Number. The index where the change occurred.

 Example

The following code handles the collectionChanged event of the decorations property of a DecorationLayer object in a Map.

JavaScript

var m = MindFusion.Mapping;var markers = new m.DecorationLayer("Images");...................
//add some Marker-s to the decorations property
......................markers.decorations.collectionChanged.addEventListener(handleCollectionChanged);
function (handleCollectionChanged) (sender, args )
{
     if(args.newItems.contains(mark))
     {
          //do something
     }
}