Update ItemRenderer Dynamically
To update ItemRenderer dynamically in Flex is easy: YourItemRendererName needs to be a mxml component or ActionScript class component. It is easy but if will be a headache if you don’t know the syntax.
AS3 – mx:List with ItemRenderer Scrolling Problem
ItemRenderer class instances in AS3 are re-used when rendering objects in mx:List. For example, if you provide 500 elements to the list’s dataProvider, and only showing 10 rows in the list output, it will create around just over 10 instances of your ItemRenderer. And every time you scrolls the list, …