<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" creationComplete="initHandler();">
<mx:Script>
private var myString:String;
private var myStringArray:Array = ["A", "B", "C"];
private function initHandler():void
{
fruitCB.dataProvider = myStringArray;
}
[Bindable(event="myStringValueChanged")]
private function isOrangeChosen():Boolean
{
return myString == "Orange";
}
public function get fruit():String
{
return myString;
}
public function set fruit( str:String ):void
{
myString = str;
dispatchEvent( new Event( "myStringValueChanged" ) );
}
</mx:Script>
<mx:Label text="select a fruit:" />
<mx:HBox>
<mx:ComboBox id="fruitCB" change="{fruit = fruitCB.selectedLabel}" />
<mx:Button label="Eat the orange." enabled="{isOrangeChosen()}" />
</mx:HBox>
</mx:Application>
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