FileInfo.Directory 屬性

定義

命名空間:

System.IO

組件:

System.Runtime.dll

來源:

FileInfo.cs

取得父代 (Parent) 目錄的執行個體。

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

屬性值

DirectoryInfo

DirectoryInfo物件，代表這個檔案的父代目錄。

例外狀況

DirectoryNotFoundException

指定的路徑無效，例如位於未對應的磁碟機上。

SecurityException

呼叫端沒有必要的權限。

範例

下列範例會開啟或建立檔案、判斷其完整路徑，並判斷並顯示目錄的完整內容。

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
'

備註

若要取得父目錄做為字串，請使用 DirectoryName 屬性。

另請參閱

• 檔案和資料流 I/O
• 作法：讀取檔案中的文字
• 作法：將文字寫入檔案