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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- controls\button\PopUpButtonMenu.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" height="600" width="600">
<fx:Script>
import mx.controls.*;
import mx.events.*;
private var myMenu:Menu;
// Initialize the Menu control,
// and specify it as the pop up object
// of the PopUpButton control.
private function initMenu():void {
myMenu = new Menu();
var dp:Object = [{label: "New Folder"},
{label: "Sent Items"},
{label: "Inbox"}
];
myMenu.dataProvider = dp;
myMenu.addEventListener("itemClick", changeHandler);
popB.popUp = myMenu;
}
// Define the event listener for the Menu control's change event.
private function changeHandler(event:MenuEvent):void {
var label:String = event.label;
popTypeB.text=String("Moved to " + label);
popB.label = "Put in: " + label;
popB.close();
}
</fx:Script>
<mx:VBox>
<mx:Label text="Main button mimics the last selected menuItem." />
<mx:PopUpButton id="popB" label="Edit" width="135"
creationComplete="initMenu();" />
<mx:Spacer height="50" />
<mx:TextInput id="popTypeB" />
</mx:VBox>
</s:Application>
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