Add child loader object dynamically

Question

Hi I wanna add loader object on stage dynamically but showing some error.
function addImage(str:String){
          ld=new Loader()
          ld.load(new URLRequest(str+'.png'))
          ld.contentLoaderInfo.addEventListener(Event.COMPLETE,loadfinish)
function loadfinish(event:Event):void{
          addChild(event.target.data)<<<this is showing error
error is :
ReferenceError: Error #1069: Property data not found on flash.display.LoaderInfo and there is no default value.
          at imagesearch_fla::MainTimeline/loadfinish()

Answer 1

If you look up the Loader class in the help documentation you will see that the error ois telling you what the problem is.  There is no "data" property for the Loader class.  The Loader class, since it deals primarily with visual elements, has a "content" property. 
The URLLoader class has a data property and that is mainly because the URLLoader class is used for data files.