External swf size issue

Question

Hai....
how get swf width and height using loader ,we are getting different values ....
// Fla document size is 550 X 400,but we are getting 500 X 375...
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
                                                     xmlns:s="library://ns.adobe.com/flex/spark"
                                                     xmlns:mx="library://ns.adobe.com/flex/mx" applicationComplete="windowedapplication1_applicationCompleteHandler(event)">
          <fx:Script>
                    <![CDATA[
                              import flash.display.*;
                              import mx.events.FlexEvent;
                              private var req:String="sample.swf"
                              private var myLoader:Loader = new Loader();                  
                              private var urls:URLRequest = new URLRequest(req);
                              private function onloaded(e:Event):void{
                                        var mc:MovieClip=MovieClip(e.currentTarget.content);
                                        mc.stop();
                                        holder.addChild(myLoader);
                                        trace(myLoader.loaderInfo.width,myLoader.loaderInfo.height)
                              protected function windowedapplication1_applicationCompleteHandler(event:FlexEvent):void
                                        myLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, onloaded);
                                        myLoader.load(urls);
                    ]]>
          </fx:Script>
          <fx:Declarations>
                    <!-- Place non-visual elements (e.g., services, value objects) here -->
          </fx:Declarations>
          <mx:UIComponent id="holder"/>
          <!--<mx:SWFLoader source="swf/air_new.swf"/>-->
</s:WindowedApplication>
Thanks...

Answer 1

Is that the size of your actual content in the SWF? I remember having to pad my content with a background inside a movie clip to get the desired size, but then again I don't use FLAs very much, so maybe there is a better way...