Roslyn: How to get a reference to Workspace from currently loaded solution?

Question

I am trying to get a reference to currently loaded workspace, without success. As per documentation (part in bold) I should be able to get a reference to it.

Answer 1

As described by Dustin Campbell in his answer here: How to work with Workspace.PrimaryWorkspace.CurrentSolution inside VSPackage

The primary workspace inside of Visual Studio is only populated when the Roslyn C# and Visual Basic language services are enabled.

To enable the Roslyn languages services you need to start your VS with the following command:

devenv.exe /rootSuffix Roslyn