Using getStyle() and setStyle() methods to change the Button's fontSize style and display the new size in the TextInput
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<!-- styles/SetSizeGetSize.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"
creationComplete="initApp()">
<fx:Script>
[Bindable]
private var curSize:int = 10;
private function initApp():void {
ip1.setStyle("fontSize", curSize);
b1.setStyle("fontSize", curSize);
b2.setStyle("fontSize", curSize);
}
public function showStyles():void {
mx.controls.Alert.show("Font size is " + ip1.getStyle("fontSize") + ".");
}
public function setNewStyles():void {
curSize = Number(ip2.text);
ip1.setStyle("fontSize", curSize);
b1.setStyle("fontSize", curSize);
b2.setStyle("fontSize", curSize);
}
</fx:Script>
<s:VGroup id="vb">
<s:TextInput id="ip1" styleName="myClass"
text="This is a TextInput control." width="400" />
<s:Label id="lb1" text="Current size: {curSize}" width="400" />
<s:Button id="b1" label="Get Style" click="showStyles();" />
<mx:Form>
<mx:FormItem label="Enter new size:">
<mx:HBox>
<mx:TextInput text="{curSize}" id="ip2" width="50" />
<mx:Button id="b2" label="Set Style"
click="setNewStyles();" />
</mx:HBox>
</mx:FormItem>
</mx:Form>
</s:VGroup>
</s:Application>
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