DirectoryInfo.Root Property

Definition

Namespace:

System.IO

Assembly:

System.Runtime.dll

Source:

DirectoryInfo.cs

Gets the root portion of the directory.

public:
 property System::IO::DirectoryInfo ^ Root { System::IO::DirectoryInfo ^ get(); };

public System.IO.DirectoryInfo Root { get; }

member this.Root : System.IO.DirectoryInfo

Public ReadOnly Property Root As DirectoryInfo

Property Value

DirectoryInfo

An object that represents the root of the directory.

Exceptions

SecurityException

The caller does not have the required permission.

Examples

The following example displays root locations for specified directories.

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            DirectoryInfo di1 = new DirectoryInfo(@"\\tempshare\tempdir");
            DirectoryInfo di2 = new DirectoryInfo("tempdir");
            DirectoryInfo di3 = new DirectoryInfo(@"x:\tempdir");
            DirectoryInfo di4 = new DirectoryInfo(@"c:\");

            Console.WriteLine("The root path of '{0}' is '{1}'", di1.FullName, di1.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di2.FullName, di2.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di3.FullName, di3.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di4.FullName, di4.Root);
        }
    }
}
/*
This code produces output similar to the following:

The root path of '\\tempshare\tempdir' is '\\tempshare\tempdir'
The root path of 'c:\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\tempdir' is 'c:\'
The root path of 'x:\tempdir' is 'x:\'
The root path of 'c:\' is 'c:\'
Press any key to continue . . .

*/

open System.IO

let di1 = DirectoryInfo @"\\tempshare\tempdir"
let di2 = DirectoryInfo "tempdir"
let di3 = DirectoryInfo @"x:\tempdir"
let di4 = DirectoryInfo @"c:\"

printfn $"The root path of '{di1.FullName}' is '{di1.Root}'"
printfn $"The root path of '{di2.FullName}' is '{di2.Root}'"
printfn $"The root path of '{di3.FullName}' is '{di3.Root}'"
printfn $"The root path of '{di4.FullName}' is '{di4.Root}'"
(*
This code produces output similar to the following:

The root path of '\\tempshare\tempdir' is '\\tempshare\tempdir'
The root path of 'c:\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\tempdir' is 'c:\'
The root path of 'x:\tempdir' is 'x:\'
The root path of 'c:\' is 'c:\'
Press any key to continue . . .

*)

Imports System.IO

Module Module1

    Sub Main()
        Dim di1 As DirectoryInfo = New DirectoryInfo("\\tempshare\tempdir")
        Dim di2 As DirectoryInfo = New DirectoryInfo("tempdir")
        Dim di3 As DirectoryInfo = New DirectoryInfo("x:\tempdir")
        Dim di4 As DirectoryInfo = New DirectoryInfo("c:\")

        Console.WriteLine("The root path of '{0}' is '{1}'", di1.FullName, di1.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di2.FullName, di2.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di3.FullName, di3.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di4.FullName, di4.Root)
    End Sub

End Module

' This code produces output similar to the following:

' The root path of '\\tempshare\tempdir' is '\\tempshare\tempdir'
' The root path of 'c:\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\tempdir' is 'c:\'
' The root path of 'x:\tempdir' is 'x:\'
' The root path of 'c:\' is 'c:\'
' Press any key to continue . . .

See also

• File and Stream I/O
• How to: Read Text from a File
• How to: Write Text to a File