Re: "Stick to the OS GUI's way of doing things."
"Hmm, if only that were true when targetting Windows - do you use the XP/Win7 way, the utterly "innovative" (ha ha) Win8 way or the total free-for-all/it-will-probably-look-different-next-week mess that is Windows 10?"
Ah, this is an all or nothing deal, not a la carte. He covered that with
"If you're from MS, make it look like Windows 7"