We are moving to a process where multiple developers will be working on solutions in a couple of different TFS branches. Already there has been confusion where people open solut
There is a very simple VS extension titled Customize Visual Studio Window Title. Once installed it will show the solution name plus the parent folder in the VS windows title bar instead of just the solution name.
For example:
TotallyAwesomeSolution becomes NewFeatureA\TotallyAwesomeSolution
It is not easy to see it. What I have done in the past is to create a workspace per branch. Then in the Source Control Explorer and the Pending Changes window you see the currently selected workspace and thus the active branch.