On 12/22/05, JesterXL <[EMAIL PROTECTED]> wrote:
> I believe all children of Flex containers need to implement the IUIComponent
> interface.  Therefore, it's by design, not a bug.

Content children of mx.core.Container must be of type
mx.core.IUIComponent, because Container queries every child object for
its preferred size, minimum and maximum sizes, percentage size
(width="x%") and so on, to do its measurement and layout.

This is going to be more strictly enforced in the next build in both
MXML and AS.

If you have a non-IUIComponent DisplayObject and want to add it as a
Container child, the easiest way is to wrap it into a UIComponent
instance.  In some very rare cases (for performance), you may want to
subclass it to implement the IUIComponent interface.

Manish


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