>Hi,
>
>I would like to use an interface formed by 3 panels, each panel should contains some controls (EditBox, TextBox, Grid or some other) and each panel can be sizable (horizontaly and verticaly) by the user. Does anybody knows how can I achive this kind of interface?
>
>Thanks in advance

Hi Enrique,

I guess, you're talking about splitter interface. Mike Asherman desinged this class for our applications. See discussion at his site:
http://www.ideaxchg.com/ix07/sc/_sys/toccontu.htm