Looks like a bug to me but it existed prior to SP2.

>However, submenus open even when the originating bar is disabled with SKIP, as below. I now can't remember if this was the standard behaviour beforehand.
>
>

>DEFINE POPUP _popShortcutMenu ;
>		FROM MROW(),MCOL() ;
>		MARGIN ;
>		RELATIVE ;
>		SHORTCUT
>DEFINE POPUP _SubMenu ;
>	SHORTCUT RELATIVE
>DEFINE BAR 1 OF _popShortcutMenu PROMPT "Item 1"
>DEFINE BAR 2 OF _popShortcutMenu PROMPT "Item 2 With sub" SKIP
>DEFINE BAR 3 OF _popShortcutMenu PROMPT "Item 3"
>ON BAR 2 OF _popShortcutMenu ACTIVATE Popup _SubMenu
>Define Bar 1 Of _SubMenu Prompt "SubMenu 1"
>Define Bar 2 Of _SubMenu Prompt "SubMenu 2"
>ACTIVATE POPUP _popShortcutMenu
>