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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Use load() method to replace a small image with a large image when the user clicks a button : Image « Graphics « Flex

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