FileInfo.Directory Proprietà

Definizione

Spazio dei nomi:

System.IO

Assembly:

System.Runtime.dll

Origine:

FileInfo.cs

Ottiene un'istanza della directory padre.

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

public System.IO.DirectoryInfo? Directory { get; }

member this.Directory : System.IO.DirectoryInfo

Public ReadOnly Property Directory As DirectoryInfo

Valore della proprietà

DirectoryInfo

Oggetto DirectoryInfo che rappresenta la directory padre di questo file.

Eccezioni

DirectoryNotFoundException

Il percorso specificato non è valido, ad esempio si trova in un'unità non mappata.

SecurityException

Il chiamante non dispone dell'autorizzazione richiesta.

Esempio

L'esempio seguente apre o crea un file, determina il percorso completo e determina e visualizza il contenuto completo della directory.

using namespace System;
using namespace System::IO;
int main()
{
   
   // Open an existing file, or create a new one.
   FileInfo^ fi = gcnew FileInfo( "temp.txt" );
   
   // Determine the full path of the file just created.
   DirectoryInfo^ di = fi->Directory;
   
   // Figure out what other entries are in that directory.
   array<FileSystemInfo^>^fsi = di->GetFileSystemInfos();
   Console::WriteLine( "The directory '{0}' contains the following files and directories:", di->FullName );
   
   // Print the names of all the files and subdirectories of that directory.
   Collections::IEnumerator^ myEnum = fsi->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      FileSystemInfo^ info = safe_cast<FileSystemInfo^>(myEnum->Current);
      Console::WriteLine( info->Name );
   }
}
//This code produces output similar to the following; 
//results may vary based on the computer/file structure/etc.:
//
//The directory 'C:\Visual Studio 2005\release' contains the following files 
//and directories:
//fileinfodirectory.exe
//fileinfodirectory.pdb
//newTemp.txt
//

using System;
using System.IO;

public class DirectoryTest
{
    public static void Main()
    {

        // Open an existing file, or create a new one.
        FileInfo fi = new FileInfo("temp.txt");

        // Determine the full path of the file just created.
        DirectoryInfo di = fi.Directory;

        // Figure out what other entries are in that directory.
        FileSystemInfo[] fsi = di.GetFileSystemInfos();

        Console.WriteLine("The directory '{0}' contains the following files and directories:", di.FullName);

        // Print the names of all the files and subdirectories of that directory.
        foreach (FileSystemInfo info in fsi)
            Console.WriteLine(info.Name);
    }
}
//This code produces output similar to the following;
//results may vary based on the computer/file structure/etc.:
//
//The directory 'C:\Visual Studio 2005\release' contains the following files
//and directories:
//TempPE
//fileinfodirectory.exe
//fileinfodirectory.pdb
//newTemp.txt
//temp.txt

Imports System.IO

Public Class DirectoryTest

    Public Shared Sub Main()
        ' Open an existing file, or create a new one.
        Dim fi As New FileInfo("temp.txt")

        ' Determine the full path of the file just created.
        Dim di As DirectoryInfo = fi.Directory

        ' Figure out what other entries are in that directory.
        Dim fsi As FileSystemInfo() = di.GetFileSystemInfos()

        ' Print the names of all the files and subdirectories of that directory.
        Console.WriteLine("The directory '{0}' contains the following files and directories:", di.FullName)
        Dim info As FileSystemInfo
        For Each info In fsi
            Console.WriteLine(info.Name)
        Next info
    End Sub
End Class

'This code produces output similar to the following; 
'results may vary based on the computer/file structure/etc.:
'
'The directory 'C:\Visual Studio 2005\release' contains the following files 
'and directories:
'TempPE
'fileinfodirectory.exe
'fileinfodirectory.pdb
'fileinfodirectory.Resources.resources
'fileinfodirectory.vbproj.GenerateResource.Cache
'fileinfodirectory.xml
'

Commenti

Per ottenere la directory padre come stringa, usare la DirectoryName proprietà .

Vedi anche

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