You could also cover the controls with a "transparent" container object.

>Anyone have any ideas on how to prevent a mouse from leaving a container during a specific operation?
>
>I've tried NODEFAULT in the MOUSEMOVE event without success.
>
>Basically I'm looking for the equivalent of the Windows SetCapture API but for a region of a form vs. an entire form.
>
>Is this possible?
>
>Thanks!
>Malcolm