Well I was lazy to figure this out and I didn't want somebody to tell me it COULDN'T be done. I just wanted the answer plain and simple.
And the answer is:
In the modal forms GotFocus Event.
DEFINE BAR 9 OF file PROMPT Print Setup ;
MESSAGE "Changes the page layout and printer settings"
ON SELECTION BAR 9 OF file =SYS(1037)
Michael Garcia