[Hydraulix989]

That's a clever way of perpetuating vendor lock-in: write shitty documentation that is still helpful for application developers but also simultaneously makes life VERY hard for interop layer developers (like the WINE project).

[lolo_]

And given MS's business practices in the past (seem a very different company these days) it's actually pretty believable at least some of this was on purpose.

Certainly when you take into account all the undocumented API functions used by office et al.