Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?

Question

I have two exe files in the same folder, I can run exe2 from a button in exe1. Today I was observing a customer over a remote (terminal services) session and exe2 failed to

Answer 1

AppDomain.CurrentDomain.BaseDirectory returns the directory from where the current application domain was loaded.
System.Environment.CurrentDirectory returns the current system directory.
In your case AppDomain.CurrentDomain.BaseDirectory is the best solution.