GetPathRoot Method
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Gets the root directory information of the specified path.
Namespace: System.IO
Assembly: System.IO (in System.IO.dll)
Syntax
'Declaration
Public Shared Function GetPathRoot ( _
path As String _
) As String
public static string GetPathRoot(
string path
)
public:
static String^ GetPathRoot(
String^ path
)
static member GetPathRoot :
path:string -> string
public static function GetPathRoot(
path : String
) : String
Parameters
- path
Type: System. . :: . .String
The path from which to obtain root directory information.
Return Value
Type: System. . :: . .String
The root directory of path, such as "C:\", or nullNothingnullptrunita null reference (Nothing in Visual Basic) if path is nullNothingnullptrunita null reference (Nothing in Visual Basic), or an empty string if path does not contain root directory information.
Remarks
This method does not verify that the path or file name exists.
Possible patterns for the string returned by this method are as follows:
An empty string (path specified a relative path on the current drive or volume).
"/" (path specified an absolute path on the current drive).
"X:" (path specified a relative path on a drive, where X represents a drive or volume letter).
"X:/" (path specified an absolute path on a given drive).
"\\ComputerName\SharedFolder" (a UNC path).
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.