DirectoryInfo.Root Proprietà

Definizione

Spazio dei nomi:

System.IO

Assembly:

System.Runtime.dll

Origine:

DirectoryInfo.cs

Ottiene la radice della 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

Valore della proprietà

DirectoryInfo

Oggetto che rappresenta la radice della directory.

Eccezioni

SecurityException

Il chiamante non dispone dell'autorizzazione richiesta.

Esempio

Nell'esempio seguente vengono visualizzate le posizioni radice per le directory specificate.

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 . . .

Vedi anche

• File e Stream I/O
• Procedura: Leggere testo da un file
• Procedura: Scrivere un testo in un file