So I connected to a project via myproject.visualstudio.com, I then clicked "Soure Control Explorer":

Then I clicked "Get Latest Version":

This download the source code and correctly mapped a local directory for me. But my project is not under source control in the solution explorer, if I right click on the solution I see:

Which I click and then see error:

After reaching this error on the internet I go to File -> Source Control -> Advanced -> Change Source Control to rebind:

And I see:

In this screenshot I clicked Bind for the sln. But it makes checkout to bind to the server:

I just want Visual Studio integrated solution explorer Get Latest and Checkin functions, I got latest from TFS and do not understand what the big deal is with getting Visual Studio 2012 to understand.