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Environment 클래스

업데이트: 2007년 11월

현재 환경 및 플랫폼에 대한 정보 및 조작 방법을 제공합니다. 이 클래스는 상속될 수 없습니다.

네임스페이스:  System
어셈블리:  mscorlib(mscorlib.dll)

[ComVisibleAttribute(true)]
public static class Environment
/** @attribute ComVisibleAttribute(true) */
public final class Environment
public final class Environment

Environment 클래스를 사용하여 명령줄 인수, 종료 코드, 환경 변수 설정, 호출 스택의 내용, 마지막으로 시스템을 부팅한 이후 경과된 시간, 공용 언어 런타임 버전 등의 정보를 검색합니다.

다음 예제에서는 현재 환경에 대한 정보 목록을 표시하는 방법을 보여 줍니다.

// Sample for Environment class summary
using System;
using System.Collections;

class Sample 
{
    public static void Main() 
    {
    String str;
    String nl = Environment.NewLine;
//
    Console.WriteLine();
    Console.WriteLine("-- Environment members --");

//  Invoke this sample with an arbitrary set of command line arguments.
    Console.WriteLine("CommandLine: {0}", Environment.CommandLine);

    String[] arguments = Environment.GetCommandLineArgs();
    Console.WriteLine("GetCommandLineArgs: {0}", String.Join(", ", arguments));

//  <-- Keep this information secure! -->
    Console.WriteLine("CurrentDirectory: {0}", Environment.CurrentDirectory);

    Console.WriteLine("ExitCode: {0}", Environment.ExitCode);

    Console.WriteLine("HasShutdownStarted: {0}", Environment.HasShutdownStarted);

//  <-- Keep this information secure! -->
    Console.WriteLine("MachineName: {0}", Environment.MachineName);

    Console.WriteLine("NewLine: {0}  first line{0}  second line{0}  third line",
                          Environment.NewLine);

    Console.WriteLine("OSVersion: {0}", Environment.OSVersion.ToString());

    Console.WriteLine("StackTrace: '{0}'", Environment.StackTrace);

//  <-- Keep this information secure! -->
    Console.WriteLine("SystemDirectory: {0}", Environment.SystemDirectory);

    Console.WriteLine("TickCount: {0}", Environment.TickCount);

//  <-- Keep this information secure! -->
    Console.WriteLine("UserDomainName: {0}", Environment.UserDomainName);

    Console.WriteLine("UserInteractive: {0}", Environment.UserInteractive);

//  <-- Keep this information secure! -->
    Console.WriteLine("UserName: {0}", Environment.UserName);

    Console.WriteLine("Version: {0}", Environment.Version.ToString());

    Console.WriteLine("WorkingSet: {0}", Environment.WorkingSet);

//  No example for Exit(exitCode) because doing so would terminate this example.

//  <-- Keep this information secure! -->
    String query = "My system drive is %SystemDrive% and my system root is %SystemRoot%";
    str = Environment.ExpandEnvironmentVariables(query);
    Console.WriteLine("ExpandEnvironmentVariables: {0}  {1}", nl, str);

    Console.WriteLine("GetEnvironmentVariable: {0}  My temporary directory is {1}.", nl,
                           Environment.GetEnvironmentVariable("TEMP"));

    Console.WriteLine("GetEnvironmentVariables: ");
    IDictionary	environmentVariables = Environment.GetEnvironmentVariables();
    foreach (DictionaryEntry de in environmentVariables)
        {
        Console.WriteLine("  {0} = {1}", de.Key, de.Value);
        }

    Console.WriteLine("GetFolderPath: {0}", 
                 Environment.GetFolderPath(Environment.SpecialFolder.System));

    String[] drives = Environment.GetLogicalDrives();
    Console.WriteLine("GetLogicalDrives: {0}", String.Join(", ", drives));
    }
}
/*
This example produces results similar to the following:
(Any result that is lengthy or reveals information that should remain 
secure has been omitted and marked "!---OMITTED---!".)

C:\>env0 ARBITRARY TEXT

-- Environment members --
CommandLine: env0 ARBITRARY TEXT
GetCommandLineArgs: env0, ARBITRARY, TEXT
CurrentDirectory: C:\Documents and Settings\!---OMITTED---!
ExitCode: 0
HasShutdownStarted: False
MachineName: !---OMITTED---!
NewLine:
  first line
  second line
  third line
OSVersion: Microsoft Windows NT 5.1.2600.0
StackTrace: '   at System.Environment.GetStackTrace(Exception e)
   at System.Environment.GetStackTrace(Exception e)
   at System.Environment.get_StackTrace()
   at Sample.Main()'
SystemDirectory: C:\WINNT\System32
TickCount: 17995355
UserDomainName: !---OMITTED---!
UserInteractive: True
UserName: !---OMITTED---!
Version: !---OMITTED---!
WorkingSet: 5038080
ExpandEnvironmentVariables:
  My system drive is C: and my system root is C:\WINNT
GetEnvironmentVariable:
  My temporary directory is C:\DOCUME~1\!---OMITTED---!\LOCALS~1\Temp.
GetEnvironmentVariables: 
  !---OMITTED---!
GetFolderPath: C:\WINNT\System32
GetLogicalDrives: A:\, C:\, D:\

*/


// Sample for Environment class summary
import System.*;
import System.Collections.*;

class Sample
{
    public static void main(String[] args)
    {
        String str;
        String nl = Environment.get_NewLine();

        //
        Console.WriteLine();
        Console.WriteLine("-- Environment members --");

        //  Invoke this sample with an arbitrary set of command line arguments.
        Console.WriteLine("CommandLine: {0}", Environment.get_CommandLine());

        String arguments[] = Environment.GetCommandLineArgs();

        Console.WriteLine("GetCommandLineArgs: {0}",
            String.Join(", ", arguments));

        //  <-- Keep this information secure! -->
        Console.WriteLine("CurrentDirectory: {0}",
            Environment.get_CurrentDirectory());
        Console.WriteLine("ExitCode: {0}", (Int32)Environment.get_ExitCode());
        Console.WriteLine("HasShutdownStarted: {0}",
            (System.Boolean)Environment.get_HasShutdownStarted());

        //  <-- Keep this information secure! -->
        Console.WriteLine("MachineName: {0}", Environment.get_MachineName());
        Console.WriteLine("NewLine: {0}  first line{0}  second line{0}  "
            + "third line", Environment.get_NewLine());
        Console.WriteLine("OSVersion: {0}", Environment.get_OSVersion().
            ToString());
        Console.WriteLine("StackTrace: '{0}'", Environment.get_StackTrace());

        //  <-- Keep this information secure! -->
        Console.WriteLine("SystemDirectory: {0}", Environment.
            get_SystemDirectory());
        Console.WriteLine("TickCount: {0}", (Int32)Environment.
            get_TickCount());

        //  <-- Keep this information secure! -->
        Console.WriteLine("UserDomainName: {0}", 
            Environment.get_UserDomainName());
        Console.WriteLine("UserInteractive: {0}",
            (System.Boolean)Environment.get_UserInteractive());

        //  <-- Keep this information secure! -->
        Console.WriteLine("UserName: {0}", Environment.get_UserName());
        Console.WriteLine("Version: {0}", Environment.get_Version().
            ToString());
        Console.WriteLine("WorkingSet: {0}",
            System.Convert.ToString(Environment.get_WorkingSet()));

        //  No example for Exit(exitCode) because doing so would terminate 
        // this example.
        //  <-- Keep this information secure! -->
        String query = "My system drive is %SystemDrive% and my system "
            + "root is %SystemRoot%";

        str = Environment.ExpandEnvironmentVariables(query);
        Console.WriteLine("ExpandEnvironmentVariables: {0}  {1}", nl, str);
        Console.WriteLine("GetEnvironmentVariable: {0}  My temporary "
            + "directory is {1}.", nl, Environment.
            GetEnvironmentVariable("TEMP"));
        Console.WriteLine("GetEnvironmentVariables: ");

        IDictionary environmentVariables = Environment.
            GetEnvironmentVariables();
        DictionaryEntry de;
        IEnumerator enumObj = environmentVariables.GetEnumerator();
        while (enumObj.MoveNext()) {
            de = (DictionaryEntry)enumObj.get_Current();
            Console.WriteLine("  {0} = {1}", de.get_Key(), de.get_Value());
        }
        Console.WriteLine("GetFolderPath: {0}", 
            Environment.GetFolderPath(Environment.SpecialFolder.System));
        String drives[] = Environment.GetLogicalDrives();
        Console.WriteLine("GetLogicalDrives: {0}", 
            String.Join(", ", drives));
    } //main
} //Sample
/*
This example produces results similar to the following:
(Any result that is lengthy or reveals information that should remain 
secure has been omitted and marked "!---OMITTED---!".)

C:\>env0 ARBITRARY TEXT

-- Environment members --
CommandLine: env0 ARBITRARY TEXT
GetCommandLineArgs: env0, ARBITRARY, TEXT
CurrentDirectory: C:\Documents and Settings\!---OMITTED---!
ExitCode: 0
HasShutdownStarted: False
MachineName: !---OMITTED---!
NewLine:
  first line
  second line
  third line
OSVersion: Microsoft Windows NT 5.1.2600.0
StackTrace: '   at System.Environment.GetStackTrace(Exception e)
   at System.Environment.GetStackTrace(Exception e)
   at System.Environment.get_StackTrace()
   at Sample.Main()'
SystemDirectory: C:\WINNT\System32
TickCount: 17995355
UserDomainName: !---OMITTED---!
UserInteractive: True
UserName: !---OMITTED---!
Version: !---OMITTED---!
WorkingSet: 5038080
ExpandEnvironmentVariables:
  My system drive is C: and my system root is C:\WINNT
GetEnvironmentVariable:
  My temporary directory is C:\DOCUME~1\!---OMITTED---!\LOCALS~1\Temp.
GetEnvironmentVariables: 
  !---OMITTED---!
GetFolderPath: C:\WINNT\System32
GetLogicalDrives: A:\, C:\, D:\

*/


System.Object
  System.Environment

이 형식의 모든 공용 static(Visual Basic의 경우 Shared) 멤버는 스레드로부터 안전합니다. 인터페이스 멤버는 스레드로부터 안전하지 않습니다.

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360

.NET Framework 및 .NET Compact Framework에서 모든 플랫폼의 전체 버전을 지원하지는 않습니다. 지원되는 버전의 목록을 보려면 .NET Framework 시스템 요구 사항을 참조하십시오.

.NET Framework

3.5, 3.0, 2.0, 1.1, 1.0에서 지원

.NET Compact Framework

3.5, 2.0, 1.0에서 지원

XNA Framework

2.0, 1.0에서 지원

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