Re: [PATCH v10 0/6] MR4092: user32: Actually implement RealGetWindowClass{A/W}.

[Jinoh Kang (＠iamahuman)]

> And why does it need new requests as opposed to extending `set_class_info`?

Two windows can have the same class but *different* "real class names[^intended]."

To allow this, we have to change the role of `set_class_info` from

- "Fetch or modify the class used by the given window"

to

- "Fetch or modify the class used by the given window *as well as* window-specific information (real-class-name) not specified in the class."

[^intended]: Subclassing USER32 controls happens in per-window fashion, not per-class.  The application can reuse the same custom class to subclass BUTTON and STATIC, for example.