Dispatch Bindable event : Bindable Event « Data Model

           







<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:s="library://ns.adobe.com/flex/spark">

        <mx:ArrayCollection id="fruitCollection">

            <mx:String>A</mx:String>

            <mx:String>B</mx:String>

            <mx:String>C</mx:String>

        </mx:ArrayCollection>

    

    <mx:Script>

        

            private var myStringValue:String;

            

            [Bindable(event="myStringValueChanged")]

            private function isOrangeChosen():Boolean

            {

                return myStringValue == "Orange";

            }

            

            public function get selectedFruit():String

            {

                return myStringValue;

            }

            public function set selectedFruit( value:String ):void

            {

                myStringValue = value;

                dispatchEvent( new Event( "myStringValueChanged" ) );

            }

      

    </mx:Script>

    

    

    <mx:Label text="Select a Fruit:" />

    <s:HGroup>

        <s:DropDownList id="fruitCB" dataProvider="{fruitCollection}" change="{selectedFruit = fruitCB.selectedItem}"/>

        <mx:Button label="eat the orange." enabled="{isOrangeChosen()}"/>

    </s:HGroup>

    

</mx:Application>
Dispatch Bindable event : Bindable Event « Data Model « Flex
