DirectoryInfo.Root 屬性

  • 參考

定義

命名空間:
System.IO
組件:
mscorlib.dll, System.IO.FileSystem.dll
組件:
System.IO.FileSystem.dll
組件:
System.Runtime.dll
組件:
netstandard.dll
組件:
mscorlib.dll

取得目錄的根目錄部分。

public:
 property System::IO::DirectoryInfo ^ Root { System::IO::DirectoryInfo ^ get(); };
public System.IO.DirectoryInfo Root { get; }
member this.Root : System.IO.DirectoryInfo
Public ReadOnly Property Root As DirectoryInfo

屬性值

DirectoryInfo

表示根目錄的物件。

例外狀況

SecurityException

呼叫端沒有必要的權限。

範例

下列範例會顯示指定目錄的根位置。

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            DirectoryInfo di1 = new DirectoryInfo(@"\\tempshare\tempdir");
            DirectoryInfo di2 = new DirectoryInfo("tempdir");
            DirectoryInfo di3 = new DirectoryInfo(@"x:\tempdir");
            DirectoryInfo di4 = new DirectoryInfo(@"c:\");

            Console.WriteLine("The root path of '{0}' is '{1}'", di1.FullName, di1.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di2.FullName, di2.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di3.FullName, di3.Root);
            Console.WriteLine("The root path of '{0}' is '{1}'", di4.FullName, di4.Root);
        }
    }
}
/*
This code produces output similar to the following:

The root path of '\\tempshare\tempdir' is '\\tempshare\tempdir'
The root path of 'c:\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\tempdir' is 'c:\'
The root path of 'x:\tempdir' is 'x:\'
The root path of 'c:\' is 'c:\'
Press any key to continue . . .

*/

Imports System.IO

Module Module1

    Sub Main()
        Dim di1 As DirectoryInfo = New DirectoryInfo("\\tempshare\tempdir")
        Dim di2 As DirectoryInfo = New DirectoryInfo("tempdir")
        Dim di3 As DirectoryInfo = New DirectoryInfo("x:\tempdir")
        Dim di4 As DirectoryInfo = New DirectoryInfo("c:\")

        Console.WriteLine("The root path of '{0}' is '{1}'", di1.FullName, di1.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di2.FullName, di2.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di3.FullName, di3.Root)
        Console.WriteLine("The root path of '{0}' is '{1}'", di4.FullName, di4.Root)
    End Sub

End Module

' This code produces output similar to the following:

' The root path of '\\tempshare\tempdir' is '\\tempshare\tempdir'
' The root path of 'c:\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\tempdir' is 'c:\'
' The root path of 'x:\tempdir' is 'x:\'
' The root path of 'c:\' is 'c:\'
' Press any key to continue . . .

適用於

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