std.path review: update

[Lars T. Kyllingstad]

On Wed, 20 Jul 2011 14:16:04 -0400, Steven Schveighoffer wrote:

> I'm not sure how \\server interacts with the low level functions of
> Windows (such as CreateFile).  Some research/experimentation is probably
> warranted.

Any .NET programmers out there?  Can you please tell me what the 
following functions return?

  System.IO.Path.GetDirectoryName("\\foo\bar")
  System.IO.Path.GetPathRoot("\\foo\bar\baz")

-Lars