>tab order only helps it set to tab accross the controls
>i usually set defaults and the likes in each control's refresh
>the refresh procedure in a control refer to other controls values
>so i need to have a precise refresh order

That sounds like a difficult way to do things. Well, in any case, I suppose maybe a custom method that did control-specific refreshes might be the way to go...note that you'll always get a form-level refresh when you launch a form too, so watchout for that...