Environment.GetLogicalDrives 方法

返回包含当前计算机中的逻辑驱动器名称的字符串数组。

**命名空间:**System
**程序集:**mscorlib(在 mscorlib.dll 中)

语法

声明
Public Shared Function GetLogicalDrives As String()
用法
Dim returnValue As String()

returnValue = Environment.GetLogicalDrives
public static string[] GetLogicalDrives ()
public:
static array<String^>^ GetLogicalDrives ()
public static String[] GetLogicalDrives ()
public static function GetLogicalDrives () : String[]

返回值

字符串数组,其中的每个元素都包含逻辑驱动器名称。例如,如果计算机的硬盘是第一个逻辑驱动器,则返回的第一个元素是“C:\”。

异常

异常类型 条件

IOException

发生 I/O 错误。

SecurityException

调用方没有所需的权限。

示例

' Sample for the Environment.GetLogicalDrives method
Imports System

Class Sample
   Public Shared Sub Main()
      Console.WriteLine()
      Dim drives As [String]() = Environment.GetLogicalDrives()
      Console.WriteLine("GetLogicalDrives: {0}", [String].Join(", ", drives))
   End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'
'GetLogicalDrives: A:\, C:\, D:\
'
// Sample for the Environment.GetLogicalDrives method
using System;

class Sample 
{
    public static void Main() 
    {
    Console.WriteLine();
    String[] drives = Environment.GetLogicalDrives();
    Console.WriteLine("GetLogicalDrives: {0}", String.Join(", ", drives));
    }
}
/*
This example produces the following results:

GetLogicalDrives: A:\, C:\, D:\
*/
// Sample for the Environment::GetLogicalDrives method
using namespace System;
int main()
{
   Console::WriteLine();
   array<String^>^drives = Environment::GetLogicalDrives();
   Console::WriteLine( "GetLogicalDrives: {0}", String::Join( ", ", drives ) );
}

/*
This example produces the following results:

GetLogicalDrives: A:\, C:\, D:\
*/
// Sample for the Environment.GetLogicalDrives method
import System.*;

class Sample
{
    public static void main(String[] args)
    {
        Console.WriteLine();
        String drives[] = Environment.GetLogicalDrives();
        Console.WriteLine("GetLogicalDrives: {0}", String.Join(", ", drives));
    } //main
} //Sample

/*
This example produces the following results:

GetLogicalDrives: A:\, C:\, D:\
*/

.NET Framework 安全性

平台

Windows 98、Windows 2000 SP4、Windows Millennium Edition、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition

.NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表,请参见系统要求

版本信息

.NET Framework

受以下版本支持:2.0、1.1、1.0

请参见

参考

Environment 类
Environment 成员
System 命名空间