Flex Examples

The following example shows how you can add a GlowFilter to a Flex Alert control by setting the filters property on the Alert object reference returned by the static Alert.show() method.

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/01/04/adding-filters-to-an-alert-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        creationComplete="init();">

    <mx:Style>
        Alert {
            dropShadowEnabled: false;
        }
    </mx:Style>

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

            private var alert:Alert;

            private function init():void {
                var glow:GlowFilter = new GlowFilter();
                /* The GlowFilter color property takes a uint, so you
                   can't use named colors. */
                glow.color = StyleManager.getColorName("red");
                glow.alpha = 0.8;
                glow.blurX = 4;
                glow.blurY = 4;
                glow.strength = 6;
                glow.quality = BitmapFilterQuality.HIGH;

                alert = Alert.show("Message", "TITLE");
                alert.filters = [glow];
            }
        ]]>
    </mx:Script>

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

</mx:Application>

View source is enabled in the following example.