What is the best way to create an interface, and what do you need to know C ++ for this?

Question

User interface

Hello! Tell me how to create an interface for an application in C ++ (for example, Windows Forms or qt, etc.)?
What topics do you need to know?

Answer 1

Well, you need to know the pros, and some kind of GUI framework - Qt or something from purely Windows technologies, and also thoroughly understand approximately how windows work in Windows