Change Event : Event « Event « Flex






  1. Flex
  2. Event
  3. Event

Change Event

Change Event
           
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">

  <mx:Script>
    
      
      [Bindable]
      private var changeMessage:String="None selected";
      
      private function changeHandler(event:Event):void
      {
        if (event.target.selectedItem == null)
        {
          changeMessage = "None selected";
        }
        else
        {
          changeMessage = "You selected " + event.target.selectedItem;
        }
      }
  
  </mx:Script>

  <mx:Array id="myData">
    <mx:String>Small</mx:String>
    <mx:String>Medium</mx:String>
    <mx:String>Large</mx:String>
  </mx:Array>

  <mx:List id="sizeList" width="200" dataProvider="{myData}" change="changeHandler(event)"/>
  
  <mx:Label text="{changeMessage}" fontSize="12"/>
  
</mx:Application>








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