NotifyCollectionChangedEventArgs.oldItems Property

Gets the list of the items affected by a Remove action.

Namespace: MindFusion.Common
File: Events.js

 Syntax

JavaScript

get oldItems() {}

 Property Value

Array. The list of affected items.

 Example

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

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.oldItems.contains(mark))
     {
          //do something
     }
}