DirectoryInfo.Parent 屬性

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

public System.IO.DirectoryInfo Parent { get; }

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

member this.Parent : System.IO.DirectoryInfo

Public ReadOnly Property Parent As DirectoryInfo

屬性值

父目錄，或 null 是路徑為空，或檔案路徑是否代表根（例如 \、 C:\、 或 \\server\share）。

例外狀況

範例

以下範例指的是指定目錄的父目錄。

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)
            di.Create();

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

        // Get a reference to the parent directory of the subdirectory you just made.
        DirectoryInfo parentDir = dis.Parent;
        Console.WriteLine("The parent directory of '{0}' is '{1}'", dis.Name, parentDir.Name);

        // Delete the parent 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"

// Get a reference to the parent directory of the subdirectory you just made.
let parentDir = dis.Parent
printfn $"The parent directory of '{dis.Name}' is '{parentDir.Name}'"

// Delete the parent 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")

        ' Get a reference to the parent directory of the subdirectory you just made.
        Dim parentDir As DirectoryInfo = dis.Parent
        Console.WriteLine("The parent directory of '{0}' is '{1}'", dis.Name, parentDir.Name)

        ' Delete the parent directory.
        di.Delete(True)
    End Sub
End Class

備註

為了確保各版本行為一致並明確表達你的意圖，請取得由 返回DirectoryInfo的實例中下列屬性Parent之一的值。

• Name，回傳目錄的簡單名稱（例如 bin）。
• FullName，回傳目錄的絕對路徑。

關於常見 I/O 任務的清單，請參見 Common I/O 任務。

另請參閱

• 檔案和數據流 I/O
• 如何：從檔案讀取文字
• 如何：將文字寫入檔案