application menubar

In LWM I'm trying to create an application menubar that is displayed 
when all windows have been closed. So I created a simple capi interface 
that just has menus and no panes and display this first when the 
application starts. The problem is that a small window is still 
displayed. Is there a way to have a menubar without a window? 
Strangely, when I tested this in LispWorks, I did not see a window and 
when I destroyed the interface it actually messed up the window menu 
and associated the wrong menubar with the Editor.

Thanks,

John DeSoi, Ph.D.