<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/08/16/creating-an-undraggable-titlewindow-container-in-flex/ -->
<mx:Application name="PopUpManager_TitleWindow_isPopUp_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            import mx.managers.PopUpManager;

            private var titleWin:NonDraggableTitleWindow;

            private function launch():void {
                titleWin = PopUpManager.createPopUp(this, NonDraggableTitleWindow, true) as NonDraggableTitleWindow;
                PopUpManager.centerPopUp(titleWin);
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:Button id="btn"
                label="Launch TitleWindow PopUp"
                click="launch();" />
    </mx:ApplicationControlBar>

</mx:Application>