They're not your threads, but they're in your process.
You can keep the MTA alive without having to dedicate a thread.
You'll have to invalidate it, either the easy way or the hard way.
You can ask for it explicitly.
Wacky template games.
Quantum superposition comes to C++.
But we care that it's still waiting.
Minding your character set.
That stuff is now happening on your thread.
Well, it's not
FormatMessage that's adding the newline.