FileInfo.Directory プロパティ

親ディレクトリのインスタンスを取得します。

Public ReadOnly Property Directory As DirectoryInfo
[C#]
public DirectoryInfo Directory {get;}
[C++]
public: __property DirectoryInfo* get_Directory();
[JScript]
public function get Directory() : DirectoryInfo;

プロパティ値

ファイルの親ディレクトリを表す DirectoryInfo オブジェクト。

例外

解説

親ディレクトリを文字列として取得するには、 DirectoryName プロパティを使用します。

このプロパティの使用例については、以下の「使用例」を参照してください。その他の一般的な I/O タスクまたは関連する I/O タスクの例を次の表に示します。

使用例

ファイルを開くか作成して、その絶対パスを判別し、ディレクトリの完全な内容を判別して表示する例を次に示します。

 
Imports System
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 'Main
End Class 'DirectoryTest

[C#] 
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);
    }
}

[C++] 
#using <mscorlib.dll>

using namespace System;
using namespace System::IO;

int main() {

    // Open an existing file, or create a new one.
    FileInfo* fi = new FileInfo(S"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(S"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 = __try_cast<FileSystemInfo*>(myEnum->Current);
        Console::WriteLine(info->Name);
    }
}

[JScript] 
import System;
import System.IO;

public class DirectoryTest {
    public static function Main() : void {

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

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

        // Figure out what other entries are in that directory.
        var fsi : FileSystemInfo[] = 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.
        for (var i : int in fsi)
            Console.WriteLine(fsi[i].Name);
    }
}
DirectoryTest.Main();

必要条件

プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ, .NET Compact Framework - Windows CE .NET

.NET Framework セキュリティ:

• FileIOPermission (ファイルの読み取り用) FileIOPermissionAccess.Read (関連する列挙体)

参照

FileInfo クラス | FileInfo メンバ | System.IO 名前空間 | 入出力操作 | ファイルからのテキストの読み取り | ファイルへのテキストの書き込み