MDI forms are certainly helpful for embedding other forms. Something that a lot of people don't know, is that you can make any window that has an hWnd, the child of another form with a simple API call. So, essentially, even top level windows CAN be MDI, but in practice, this is rude. :)
no no ... not in this thread but in vb 6 forum. go to "Software Development" and put your cursor on there. pop menu will go down, select for vb 4/5/6. in this section you will see "Start New Thread", a yellow one on top of post. if u want to post in other section do the same think. or you can click "new thread" on this thread, see in above of post box.