"Earnie Boyd" <[EMAIL PROTECTED]> wrote: > MSDN says that this is Win2000 SP2 and XP only. So you need to guard it > with the appropriate WINVER constant.
Sorry about my earlier querulous email: I was blissfully ignorant of the whole WINVER system. My problem now is to choose a relevant version number to check against. As far as I can dig out of MSDN, win2k has _WIN32_WINNT set to 0x0500 and XP has it set to 0x0501. So, unlike some earlier systems, there's no space for extra version numbers for service pack releases. So, to guard a define that's only available in win2k SP2 and in XP, which value should I use? (win2k or XP?) or is there some other value that is available now for service pack version information? // Conrad
