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MyComponent.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="180" height="94" creationComplete="initComponent()">
<mx:Metadata>
/**
* 1. ±àÒëÆÚ¼äÖ´ÐÐ
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* 2.1) ÄÚ²¿ÉùÃ÷£º[Event(name="commit",type ="laxino.MyEvent")]£¬typeÊÇָʼþµÄÀàÐÍ£¨Èç1µÄÀàÐÍÊÇint,'aaa'µÄÀàÐÍÊÇString£©,nameÊÇÖ¸
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/**
*
* Using the Event metadata tag
* You use the [Event] metadata tag to define events dispatched by a component so that the Flex compiler can recognize
* them as MXML tag attributes in an MXML file. You add the [Event] metadata tag in one of the following locations:
* ActionScript components Above the class definition, but within the package definition, so that the events are bound
* to the class and not a particular member of the class.
* MXML components In the mx:Metadata tag of an MXML file.
*
*/
[Event(name="commit",type ="laxino.MyEvent")]
[Event(name="preview",type ="laxino.MyEvent")]
</mx:Metadata>
<mx:Script>
<!--[CDATA[
private function initComponent():void
{
}
private function preview(event:Event):void
{
this.dispatchEvent(new MyEvent(MyEven
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