Define the mySize variable and uses it in the CSS
<!--
Code from Flex 4 Documentation "Using Adobe Flex 4".
This user guide is licensed for use under the terms of the Creative Commons Attribution
Non-Commercial 3.0 License.
This License allows users to copy, distribute, and transmit the user guide for noncommercial
purposes only so long as
(1) proper attribution to Adobe is given as the owner of the user guide; and
(2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms.
The best way to provide notice is to include the following link.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
-->
<!-- styles/PropertyReferenceExample.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark">
<!-- You can declare a property using this method, too: -->
<!--
<fx:Declarations> <fx:Number id="mySize">20</fx:Number>
</fx:Declarations>
-->
<fx:Script>
[Bindable]
private var mySize:Number = 20;
</fx:Script>
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
s|Button {
fontSize: PropertyReference("mySize");
}
</fx:Style>
<!--
Notice that when you click the button, the value of mySize increases,
but the size of the font on the button's label does not. Style
properties must be explicitly set, even if the property is bindable.
-->
<s:Button id="myButton" label="{mySize.toString()}" click="mySize+=2" />
</s:Application>
Related examples in the same category