rendererAdd function for Spark DataGrid?

Like we have rendererAdd function/hook for a Spark 开发者_开发百科List which is dispatched when an itemrenderer is added to the container ?

Do we have any similar method/hook at DataGrid level also ?

Thanks in Advance

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http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/spark/components/supportClasses/ListBase.html#itemAdded()