Sorry, this is the code that I used.
DEFINE POPUP popGrid FROM 10,5 MARGIN COLOR SCHEME 14
DEFINE BAR 1 OF popGrid PROMPT 'New' MARK CHR(3)
DEFINE BAR 2 OF popGrid PROMPT 'Conflict' MARK CHR(4)
DEFINE BAR 3 OF popGrid PROMPT 'Reoccurrence' MARK CHR(5)
DEFINE BAR 4 OF popGrid PROMPT "Don't book with..." MARK CHR(6)
DEFINE BAR 5 OF popGrid PROMPT "Bypass conflict" MARK CHR(6)
ON SELECTION POPUP popGrid DO _GridMenuOpion
ACTIVATE POPUP popGrid