title: System.Diagnostics in VB Excel
body: <p>Is it at all possible to reference System.Diagnostics in VB Excel? When I go to Tools > References and browse to the .NET 4 folders, I can't add a reference to the System.dll file as I get an error and I don't see the System.Diagnostics either. I need to be able to use System.Diagnostics.Process in my code.</p>