+3  A: 

As specified in the function's MSDN page:

The names returned by this method are prefixed with the directory information provided in path [ed: the parameter to the function].

Traveling Tech Guy  2009-09-22 18:10:20
Bah, hadn't read that bit properly! Could really do without that happening too. . .
Ed Woodcock  2009-09-22 18:12:04
+1  A: 

It returns full paths. You can verify with PowerShell:

[IO.Directory]::GetDirectories('C:\')
dahlbyk  2009-09-22 18:10:49

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