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NotifyCollectionChangingEventArgs.oldItems Property
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Gets the list of the items affected by a Remove action.

Namespace: MindFusion.Common
File: Events.js

 Syntax

JavaScript  Copy Code

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 in a map.

JavaScript  Copy Code

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(marker1))
      {
          //do something
      }
}

 See Also