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FileInfo.Directory Property

Gets an instance of the parent directory.

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

public DirectoryInfo Directory { get; }

Property Value

Type: System.IO.DirectoryInfo
A DirectoryInfo object representing the parent directory of this file.


The specified path is invalid, such as being on an unmapped drive.


The caller does not have the required permission.

To get the parent directory as a string, use the DirectoryName property.

The following example opens or creates a file, determines its full path, and determines and displays the full contents of the directory.

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)
//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:

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.