Embed a form with-in a form

[Michael]

In Linux (GTK2) Ive been trying to create an MDI style application.  My understanding is that it isn't possible in Lazarus (as of yet).  However, during my exploits I found that I can set the parent of a form, to another form.  The result is that the first form will be embedded in the second.  This is almost perfect except that the there is no window frame (in linux called a window manager) around the embedded form.

I'm not really interested in using MultiDoc / LMDI because its rather buggy, and I don't think I'm equipped to improve upon it.  Does anyone know how I can manage the size and position of the embedded form?

I do almost all of my work in Linux so I don't know if this is possible in Windows.