NormalizeDriveName() [2/2]

static string System.IO.DriveInfoInternal.NormalizeDriveName ( string driveName )

inlinestatic

Definition at line 38 of file DriveInfoInternal.cs.

    {
        string text;
        if (driveName.Length == 1)
        {
            text = driveName + ":\\";
        }
        else
        {
            text = Path.GetPathRoot(driveName);
            if (string.IsNullOrEmpty(text) || text.StartsWith("\\\\", StringComparison.Ordinal))
            {
                throw new ArgumentException(SR.Arg_MustBeDriveLetterOrRootDir, "driveName");
            }
        }
        if (text.Length == 2 && text[1] == ':')
        {
            text += "\\";
        }
        char c = driveName[0];
        if ((c < 'A' || c > 'Z') && (c < 'a' || c > 'z'))
        {
            throw new ArgumentException(SR.Arg_MustBeDriveLetterOrRootDir, "driveName");
        }
        return text;
    }

References System.SR.Arg_MustBeDriveLetterOrRootDir, System.IO.Path.GetPathRoot(), and System.text.