How to control the size and position of MDI frame windows?

The problem is simple, the solution is not.

I want to create an MDI application in which the first MDI child frame window is maximized and static(Unmovable and not Resizeable, must stay maximized forever.)

All subsequent MDI child frame windows are based on a different doc-view template and operate as a normal MDI child frame window would.

I accomplished all of the above, but when I resize my subsequent windows,
for some reason my primary child frame gets resized as well.

How do I prevent that form happening???

I appreciate your thoughts on this and would be delighted to have someone come up with a solution.

Thanks,
Dan B.