Make maxFontSize and minFontSize properties that you defined as variables usable as the sources for data bindings expressions : Data Binding « Data Model « Flex

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2. Data Model
3. Data Binding

Make maxFontSize and minFontSize properties that you defined as variables usable as the sources for data bindings expressions

            

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<!-- binding/FontPropertyBinding.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:s="library://ns.adobe.com/flex/spark"
    xmlns:mx="library://ns.adobe.com/flex/mx">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script>
         
        // Define public vars for tracking font size. 
        [Bindable] 
        public var maxFontSize:Number = 15; 
        [Bindable] 
        public var minFontSize:Number = 5; 
      
    </fx:Script>
    <s:Label text="{maxFontSize}" />
    <s:Label text="{minFontSize}" />
    <s:Button click="maxFontSize=20; minFontSize=10;" />
</s:Application>

   
    
    
    
    
    
    
    
    
    
    
    
  

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