I\'m using Visual Studio 2015 preview, and I\'m trying to debug my project. I was using VS 2012 previously, and depended largely on being able to hover over and expand local
As described here, you need to enable the check “Suppress JIT optimizations on module load (Managed only)” in Debug --> Options --> Debugging --> General.
You need also to remove the "Optimize code" flag in the properties of your projects.