directoryinfo.createsubdirectory problem

[MalCarne]

I'm not having much luck finding documentation that explains the second requirement needed for directory.createsubdirectory.
My code at present:

Dim strAddFolder As String = Server.MapPath("../docs/") & strDir
Dim objDirs As New DirectoryInfo(Server.MapPath("../docs"))
objDirs.CreateSubdirectory(strAddFolder)

What visual studio is telling me is that the second parameter should be "directory security as system.security.accesscontrol.directorysecurity"

Hoping that it would default, I left it blank, resulting in the following error:"System.ArgumentException: Second path fragment must not be a drive or UNC name."

These seem to be completely different squawkings. Does anyone have any insight?

 

[ca8msm]

You only have to specify the second parameter if you want to set the security permissions. Check out the help files on this method at:

http://msdn2.microsoft.com/en-us/library/system.io.directoryinfo.createsubdirectory.aspx

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[MalCarne]

OK, found the problem. I was calling createsubdirectory() properly, but I was using server.mappath(../docs/directory to be created).
The error:"System.ArgumentException: Second path fragment must not be a drive or UNC name." Was coming from the absolute path, being "C:\directory\subdirectory", translated by .mappath .
It does not like the drive letter in the path. Using a relative path comes off without a hitch.

Thanks for the help.