Use load() method to replace a small image with a large image when the user clicks a button
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<!-- controls\image\ImageLoad.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"
creationComplete="toggleImage()">
<fx:Script>
private var imageSmall:String = "a.jpg";
private var imageLarge:String = "a.jpg";
private function toggleImage():void {
// Runtime location of the images is the same folder
// as this MXML file.
if (image1.source == imageSmall) {
image1.load(imageLarge);
} else {
image1.load(imageSmall);
}
}
</fx:Script>
<mx:VBox id="vbox0">
<s:Button id="myButton" label="Toggle Image" click="toggleImage();" />
<mx:Image id="image1" />
</mx:VBox>
</s:Application>
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