my continuous integration server (TeamCity) is configured to run all the unit tests in our app on build. Prior to running those tests, i need to change some of the appSettings t
I have created a Visual Studio add in which can be used to transform app.config in the same way that web.config is transformed. You can find the add-in, SlowCheetah, at http://visualstudiogallery.msdn.microsoft.com/69023d00-a4f9-4a34-a6cd-7e854ba318b5.
I have posted a blog about how to get this working on a build server as well.