mustella/tests/gumbo/components/TitleWindow/SWFs/comps/TitleWindowAtCreation.mxml

<s:TitleWindow
    xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark"
    title="empty TitleWindow" width="400" height="300"
    creationComplete="showAPopUp()">

    <fx:Script>
    	<![CDATA[

    		import mx.controls.Alert;
    		import spark.components.TitleWindow;
    		import spark.components.Button;
    		import spark.components.Panel;
    		import mx.managers.PopUpManager;
    		import mx.core.IFlexDisplayObject;
    		 
    		public var twWindow:TitleWindow=new TitleWindow();
    		
		public function showAPopUp():void
		{
			twWindow.x=this.x+50;
			twWindow.y=this.y+50;
			twWindow.title="a popup inside another titleWindow";
			var btn:Button=new Button();
			btn.label="button";
			twWindow.addElement(btn);
			PopUpManager.addPopUp(twWindow, this, false);
			twWindow.addEventListener("close", closeHandler);
		}
		public function closeHandler(event:Event):void
		{
			event.target.removeEventListener("close", closeHandler);
			PopUpManager.removePopUp(event.target as IFlexDisplayObject);
			twWindow=null;
            	}
    	]]>
    </fx:Script>
</s:TitleWindow>