Intellisense XML Comment Tooltip

I have read that it is possible, but how do I use them in VS2008? I would like to start commenting class's commands and properties, but I can't find how to.

http://social.msdn.microsoft.com/for...4-bde51a6ef62f

re: Intellisense XML Comment Tooltip

Create your method as usual.
Then go one line before the method and type 3 slashes ///
Visual Studio 2008 will pre-fill a summary block for you. Just type in your description between the <summary> </summary> blocks.

There are a lot of tags inside that possible. Just type a < to have Intellisence bring up a list.

In C# it looks like this