Flex :: Extending Mxml Component With From Another Mxml Component With Visual Child Supported?

May 18, 2011

I've been trying to create a custom mxml component that extends another custom mxml component (i.e.MyMXMLComponent -> BaseMXMLComponent -> Group). I've been reading that trying to add visual children to MyMXMLComponent caused error with Flex 3 but that's no longer the case with Flex 4.

What I want to know is whether this is a supported/fixed/documented feature of Flex 4? or just some undefined behavior in Flex 4 that may get changed with future updates?

if this is supported and documented feature, does anyone have link pointing to adobe document stating it as such?

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