Thanks for the link. That helped. >From what i have understood it's not enough to link the symbol and the class >in flash, you also have to annotate the class with the EMBED tag to make a >reference to the symbol in flash so that the flex compiler can hook the two >together at compile time.
I have to say that, particularly if you need to wrap your flash MovieClips in flex UIComponents, that i didn't expect the integration of flash within flex apps to be such an arduous task.

