How to use Vuforia sdk ?

HI, all, I have two questions.

1) In this page
( https://library.vuforia.com/article...a-for-Windows-10-Development.html#img-targets ), there is an example UWP project which uses c++. If I use Unity, how to build a project which uses c++ like the above example ?

2) If I got a UWP project in C++ which from Unity, Can I use the vuforia SDK of C++ version?