Moments of Flash, ActionScript, Flex

Ever try to add a DisplayObject to a Flex Component? If you have, you know the run-time engine will complain about a type conversion (Adobe casts DisplayObjects to IUIComponents). Well, there is a hidden $addChild for UIComponents. To utilize simply add use namespace mx_internal; to the beginning of your script. Now you can use $addChild.

For more information, check out http://www.boostworthy.com/blog/?p=224.