在IViewCollection，使用IViewCursor进行查找对象

这个例子将展示如何在IViewCursor上，使用IViewCursor查找特定的item
下载 MXML

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" backgroundColor="white"
    horizontalAlign="left"
    fontSize="12" initialize="init()">
    
    <mx:Array id="coutries">
        <mx:Object label="Dlic" data="D"/>
        <mx:Object label="China" data="C"/>
        <mx:Object label="America" data="A"/>
        <mx:Object label="British" data="B"/>
    </mx:Array>
    
    <mx:ApplicationControlBar dock="true">
        <mx:Label text="查询："/>
        <mx:Canvas> 
            <mx:TextInput id="searchText"/>
            <mx:Image id="img" source="" right="3" verticalCenter="0"/>            
        </mx:Canvas>
        <mx:Button label="go" icon="@Embed('assets/Input.PNG')" click="findHandler(event)"/>
    </mx:ApplicationControlBar>
    
    <mx:List id="cb" dataProvider="{collView}" width="150"/>

    <mx:Script>
        <![CDATA[
            import mx.collections.IViewCursor;
            import mx.collections.ArrayCollection;
            import mx.collections.ICollectionView;
            import mx.collections.Sort;
            import mx.collections.SortField;

            [Embed("assets/SuccessComplete.PNG")]
            private var okIcon:Class;
            
            [Embed("assets/Serious.PNG")]
            private var errorIcon:Class;
            
            [Bindable]
            private var collView: ICollectionView = null;
            
            private var sort:Sort = new Sort();

            private function init():void
            {                
                //排序
                collView = new ArrayCollection(coutries);
                sort.fields = [new SortField("label", true)];
                collView.sort = sort;
                //务必进行刷新，否则，排序不会自动生效
                collView.refresh();
            }
            
            private function findHandler(event:MouseEvent): void
            {
                var vc: IViewCursor = collView.createCursor();
                if (vc.findFirst({label:searchText.text}))
                {
                    cb.selectedItem = vc.current;
                    img.source = okIcon;
                }
                else
                {
                    cb.selectedItem = null;
                    img.source = errorIcon;
                }
            }
        ]]>
    </mx:Script>
</mx:Application>

实例效果，在独立的窗口观看