Three forward slashes for block commenting?

Question

First noticed this in Notepad++, where // comments and /// comments were shown in different colours.
Doxygen revealed more about it, but I\'m n

Answer 1

In Visual Studio the /// indicates documentation not just comments. Following your link the explanation is the same. It is used to adorn comments that will be specifically formatted via your editor or some other tool as documentation for a class, method, namespace, etc.