Flex中如何利用closeButtonSkin或closeButtonUpSkin, closeButtonOverSkin, closeButtonDownSkin, closeButtonDisabledSkin样式，改变TitleWindow容器的

main.mxml

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"

layout="vertical"

verticalAlign="middle"

backgroundColor="white">



<mx:Style>

TitleWindow {

closeButtonSkin: Embed("cancel.png");

/* Set values from defaults.css to null. */

closeButtonDisabledSkin: ClassReference(null);

closeButtonDownSkin: ClassReference(null);

closeButtonOverSkin: ClassReference(null);

closeButtonUpSkin: ClassReference(null);

}

</mx:Style>



<mx:TitleWindow id="titleWindow"

title="TitleWindow"

status="status message"

showCloseButton="true"

width="100%"

height="100%" />



</mx:Application>