Styling the Alert control’s title bar

The following example shows how you can customize the appearance of the title in an Alert control in Flex by setting the titleStyleName style

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/01/03/styling-the-alert-controls-title-bar/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        creationComplete="init();">

    <mx:Style>
        @font-face {
            src: local("Comic Sans MS");
            fontFamily: myComicSansMS;
            fontWeight: normal;
        }

        Alert {
            titleStyleName: myCustomTitleStyleName;
        }

        .myCustomTitleStyleName {
            color: haloOrange;
            fontFamily: myComicSansMS;
            fontSize: 16;
            fontWeight: normal;
        }
    </mx:Style>

    <mx:Script>
        <![CDATA[
            import mx.controls.Alert;

            private var alert:Alert;

            private function init():void {
                var myMessage:String = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit.\nDonec tincidunt sollicitudin sem.";
                var myTitle:String = "The quick brown fox jumped over the lazy dog";
                alert = Alert.show(myMessage, myTitle);
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:Button label="Launch alert" click="init();" />
    </mx:ApplicationControlBar>

</mx:Application>