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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- wrapper/WrapperCaller.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">
<s:layout>
<s:HorizontalLayout />
</s:layout>
<fx:Script>
import flash.external.*;
public function callWrapper():void {
var s:String;
if (ExternalInterface.available) {
var wrapperFunction:String = "changeDocumentTitle";
s = ExternalInterface.call(wrapperFunction,ti1.text);
} else {
s = "Wrapper not available";
}
trace(s);
}
</fx:Script>
<mx:Form>
<mx:FormItem label="New Title:">
<mx:TextInput id="ti1" />
</mx:FormItem>
</mx:Form>
<s:Button label="Change Document Title" click="callWrapper()" />
</s:Application>
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