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

I usually use something like:

            string AppPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
            AppPath = AppPath.Replace("file:\\", "");