Directory.GetDirectoryRoot Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Returns the volume information, root information, or both for the specified path.

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)

Syntax

Public Shared Function GetDirectoryRoot ( _
    path As String _
) As String
public static string GetDirectoryRoot(
    string path
)

Parameters

Return Value

Type: System..::.String
A string containing the volume information, root information, or both for the specified path.

Exceptions

Exception Condition
UnauthorizedAccessException

The caller does not have the required permission.

ArgumentException

path is a zero-length string, contains only white space, or contains one or more invalid characters.

ArgumentNullException

path is nullNothingnullptra null reference (Nothing in Visual Basic).

PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters and file names must be less than 260 characters.

Remarks

Version Notes

Windows Phone

This member has a SecurityCriticalAttribute attribute. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

Directory Class

System.IO Namespace