How are user interface created in c++

Question

user interface

Answer 1

They use Game Engines or App Engines, sometimes using graphics.h or windows.h

Answer 2

There are various libraries and framework available to creat GUI in C++. SOme of them are, but not limited to:

QT
Nana
FLTK
FOX
Skia
GTK
wxWidgets
CEGUI

Answer 3

Qt