ReflexApplicationLoader

    override protected function initializeApplication():void
    {
      // Try to initialize mixins to the ReflexApplicationLoader
      // (a well behaved mixin relies on a MovieClip),
      // but if anything goes wrong, don't allow mixins to muck 
      // up our initialization.
      var mixins:Array = info()["mixins"];
      if(mixins && mixins.length > 0)
      {
        while(mixins.length > 0)
        {
          try{
            getDefinitionByName(mixins.pop())["init"](this);
          }
          catch(e:Error){/* Fall through */}
        }
      }
      
      // Cast with 'as' because create() can possibly return 'null',
      // and casting 'null' to a DisplayObject will throw an error
      var app:DisplayObject = create() as DisplayObject;
      
      // If there's no app, this is probably an app made in Flash Pro, 
      // in which case moving to the second frame is sufficient action
      // on our part.
      if(!app)
      {
        return;
      }
      
      //The Application should listen for its own added_to_stage
      //event and initialize itself from that.
      addChild(app);
      
      super.initializeApplication();
    }