UltimaGabe said:I'm afraid you are incorrect.
...as per the SRD. Even if it's non-offensive, if you target a foe with a spell, you become visible. The word "offensive" doesn't even show up. You'd become visible even if you cast Detect Magic at your opponent, for example.
starwed said:Message is one of the few spells you can cast through a scry spell, however. ^_^
GodOfCheese said:If I, say, Detect Magic in an area containing an enemy, would that cause me to become Visible?