>Yes, it's by design.
>
>>I just start to play with dockable forms. When a set the form dockable the min max button are gone !
>>
>>Just missing something or is it by design ?
>>
>>I just want to run my application with a MDI dockable form as in the debugger.

Thanks for your reply.

I am also running the sample you provide for the Tab docks of windows

It seems the user is able to drag out but not drag in ?