What are your suggestions for some of the best ways to start unit testing? Automated framework, TDD, manual tests? What's your experience been? I saw this webinar and wanted to share it http://bitly.com/w3botS

I am trying to test if my textbox has focus in visual C#. Does anybody know how I could do this? it would really help, I'm trying to make it so that when you press enter while the textbox has focus, It will preform the same command as press ...