How to renew the access token using the refresh token?

Question

I am using ASP.NET MVC 5 with OWIN.

I have done a lot of research and haven\'t found how to renew the access token using the refres

Answer 1

Spent the last two days figuring out how to renew the access token myself. The answer is posted in another thread here:

How Google API V 3.0 .Net library and Google OAuth2 Handling refresh token