DirectoryInfo.MoveTo(String) Metode

Definisi

Ruang nama:

System.IO

Rakitan:

System.Runtime.dll

Sumber:

DirectoryInfo.cs

Memindahkan instans DirectoryInfo dan kontennya ke jalur baru.

public:
 void MoveTo(System::String ^ destDirName);

public void MoveTo (string destDirName);

member this.MoveTo : string -> unit

Public Sub MoveTo (destDirName As String)

Parameter

destDirName

String

Nama dan jalur untuk memindahkan direktori ini. Tujuan tidak boleh berupa volume disk lain atau direktori dengan nama yang identik. Ini bisa menjadi direktori yang sudah ada yang ingin Anda tambahkan direktori ini sebagai subdirektori.

Pengecualian

ArgumentNullException

destDirNameadalah null.

ArgumentException

destDirName adalah string kosong (''").

IOException

Upaya dilakukan untuk memindahkan direktori ke volume yang berbeda.

-atau-

destDirName sudah ada.

-atau-

Anda tidak berwenang untuk mengakses jalur ini.

-atau-

Direktori yang sedang dipindahkan dan direktori tujuan memiliki nama yang sama.

SecurityException

Pemanggil tidak memiliki izin yang diperlukan.

DirectoryNotFoundException

Direktori tujuan tidak dapat ditemukan.

Contoh

Contoh berikut menunjukkan pemindahan direktori.

using namespace System;
using namespace System::IO;
int main()
{
   
   // Make a reference to a directory.
   DirectoryInfo^ di = gcnew DirectoryInfo( "TempDir" );
   
   // Create the directory only if it does not already exist.
   if (  !di->Exists )
      di->Create();

   
   // Create a subdirectory in the directory just created.
   DirectoryInfo^ dis = di->CreateSubdirectory( "SubDir" );
   
   // Move the main directory. Note that the contents move with the directory.
   if (  !Directory::Exists( "NewTempDir" ) )
      di->MoveTo( "NewTempDir" );

   try
   {
      
      // Attempt to delete the subdirectory. Note that because it has been
      // moved, an exception is thrown.
      dis->Delete( true );
   }
   catch ( Exception^ ) 
   {
      
      // Handle this exception in some way, such as with the following code:
      // Console::WriteLine(S"That directory does not exist.");
   }

   
   // Point the DirectoryInfo reference to the new directory.
   //di = new DirectoryInfo(S"NewTempDir");
   // Delete the directory.
   //di->Delete(true);
}

using System;
using System.IO;

public class MoveToTest
{
    public static void Main()
    {

        // Make a reference to a directory.
        DirectoryInfo di = new DirectoryInfo("TempDir");

        // Create the directory only if it does not already exist.
        if (di.Exists == false)
            di.Create();

        // Create a subdirectory in the directory just created.
        DirectoryInfo dis = di.CreateSubdirectory("SubDir");

        // Move the main directory. Note that the contents move with the directory.
        if (Directory.Exists("NewTempDir") == false)
            di.MoveTo("NewTempDir");

        try
        {
            // Attempt to delete the subdirectory. Note that because it has been
            // moved, an exception is thrown.
            dis.Delete(true);
        }
        catch (Exception)
        {
            // Handle this exception in some way, such as with the following code:
            // Console.WriteLine("That directory does not exist.");
        }

        // Point the DirectoryInfo reference to the new directory.
        //di = new DirectoryInfo("NewTempDir");

        // Delete the directory.
        //di.Delete(true);
    }
}

open System.IO

// Make a reference to a directory.
let di = DirectoryInfo "TempDir"

// Create the directory only if it does not already exist.
if not di.Exists then
    di.Create()

// Create a subdirectory in the directory just created.
let dis = di.CreateSubdirectory "SubDir"

// Move the main directory. Note that the contents move with the directory.
if not (Directory.Exists "NewTempDir") then
    di.MoveTo "NewTempDir"

try
    // Attempt to delete the subdirectory. Note that because it has been
    // moved, an exception is thrown.
    dis.Delete true
with _ ->
    // Handle this exception in some way, such as with the following code:
    // Console.WriteLine("That directory does not exist.")
    ()

// Point the DirectoryInfo reference to the new directory.
//di = new DirectoryInfo("NewTempDir")

// Delete the directory.
//di.Delete(true)

Imports System.IO

Public Class MoveToTest

    Public Shared Sub Main()
        ' Make a reference to a directory.
        Dim di As New DirectoryInfo("TempDir")
        ' Create the directory only if it does not already exist.
        If di.Exists = False Then
            di.Create()
        End If

        ' Create a subdirectory in the directory just created.
        Dim dis As DirectoryInfo = di.CreateSubdirectory("SubDir")
        If Directory.Exists("NewTempDir") = False Then
            ' Move the main directory. Note that the contents move with the directory.
            di.MoveTo("NewTempDir")
        End If
        Try
            ' Attempt to delete the subdirectory. Note that because it has been
            ' moved, an exception is thrown.
            dis.Delete(True)
        Catch
            ' Handle this exception in some way, such as with the following code:
            ' Console.WriteLine("That directory does not exist.");
            ' Point the DirectoryInfo reference to the new directory.
            ' di = New DirectoryInfo("NewTempDir")
            ' Delete the directory.
            ' di.Delete(True)        
        End Try

    End Sub
End Class

Keterangan

Metode ini memberikan IOException jika, misalnya, Anda mencoba memindahkan c:\mydir ke c:\public, dan c:\public sudah ada. Anda harus menentukan "c:\\public\\mydir" sebagai destDirName parameter, atau menentukan nama direktori baru seperti "c:\\newdir".

Metode ini memungkinkan pemindahan direktori ke direktori baca-saja. Atribut baca/tulis dari tidak ada direktori yang terpengaruh.

Untuk daftar tugas I/O umum, lihat Tugas I/O Umum.

Lihat juga

• I/O File dan Aliran
• Cara: Membaca Teks dari File
• Cara: Menulis Teks ke File