IEnumerable.indexOfItem Method

Gets the index of a given object in a collection.

Namespace: MindFusion.Common.Collections
File: IEnumerable.js

 Syntax

JavaScript

function indexOfItem (obj, [fromIndex])

 Parameters

obj

Type: Object
Object. The object to look for.

fromIndex

Optional.

Type: Number
Number. The starting index to search from.

 Return Value

Type: Number
Number. The index of the object, or -1 if the object is not present in the collection.

 Example

The following code checks if the old items of a ListView instance, which have changed contain an item called item1:

JavaScript

listView.selectionChanged.addEventListener(listSelectionChanged);
function listSelectionChanged(sender, args)
{     if( args.oldItems.contains(item1))
     {
     }
}