If you are old enough to have experience in .net framework (and I hope you do, otherwise I will feel really old myself!), there is a high probability that you were concatenating directory paths wrong all the time! And that’s all because some time ago, somebody at Microsoft had, let’s say, not a best idea :P. But what’s the problem? Path.Combine can be used with one, two, three or even four arguments. In an ideal world the first argument should be passed as an absolute path and...