Environment Environment Environment Environment Class

Définition

Fournit des informations concernant l'environnement et la plateforme actuels, ainsi que des moyens pour les manipuler.Provides information about, and means to manipulate, the current environment and platform. Cette classe ne peut pas être héritée.This class cannot be inherited.

public ref class Environment abstract sealed
[System.Runtime.InteropServices.ComVisible(true)]
public static class Environment
type Environment = class
Public Class Environment
Héritage
EnvironmentEnvironmentEnvironmentEnvironment
Attributs

Exemples

L’exemple suivant montre affiche une liste d’informations sur l’environnement actuel.The following example demonstrates displays a list of information about the current environment.

// Sample for Environment class summary
using namespace System;
using namespace System::Collections;
int 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 );
   array<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 );
   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 );
   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();
   IEnumerator^ myEnum = environmentVariables->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      DictionaryEntry^ de = safe_cast<DictionaryEntry^>(myEnum->Current);
      Console::WriteLine( " {0} = {1}", de->Key, de->Value );
   }

   Console::WriteLine( "GetFolderPath: {0}", Environment::GetFolderPath( Environment::SpecialFolder::System ) );
   array<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 S"!---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
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
Imports System
Imports System.Collections

Class Sample
   Public Shared Sub Main()
      Dim str As [String]
      Dim nl As [String] = 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)
      
      Dim arguments As [String]() = 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! -->
      Dim query As [String] = "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: ")
      Dim environmentVariables As IDictionary = Environment.GetEnvironmentVariables()
      Dim de As DictionaryEntry
      For Each de In environmentVariables
         Console.WriteLine("  {0} = {1}", de.Key, de.Value)
      Next de
      
      Console.WriteLine("GetFolderPath: {0}", _
              Environment.GetFolderPath(Environment.SpecialFolder.System))
      
      Dim drives As [String]() = Environment.GetLogicalDrives()
      Console.WriteLine("GetLogicalDrives: {0}", [String].Join(", ", drives))
   End Sub 'Main
End Class '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:\
'

Remarques

Utilisez la Environment classe à récupérer des informations telles que les arguments de ligne de commande, le code de sortie, les paramètres de variable d’environnement, le contenu de la pile des appels, le temps écoulé depuis le dernier démarrage du système ou la version du common language runtime.Use the Environment class to retrieve information such as command-line arguments, the exit code, environment variable settings, contents of the call stack, time since last system boot, and the version of the common language runtime.

Propriétés

CommandLine CommandLine CommandLine CommandLine

Obtient la ligne de commande pour ce processus.Gets the command line for this process.

CurrentDirectory CurrentDirectory CurrentDirectory CurrentDirectory

Obtient ou définit le chemin qualifié complet du répertoire de travail actif.Gets or sets the fully qualified path of the current working directory.

CurrentManagedThreadId CurrentManagedThreadId CurrentManagedThreadId CurrentManagedThreadId

Obtient un identificateur unique pour le thread managé actuel.Gets a unique identifier for the current managed thread.

ExitCode ExitCode ExitCode ExitCode

Obtient ou définit le code de sortie du processus.Gets or sets the exit code of the process.

HasShutdownStarted HasShutdownStarted HasShutdownStarted HasShutdownStarted

Obtient une valeur indiquant si le déchargement du domaine d'application actuel est en cours ou si le Common Language Runtime s'arrête.Gets a value that indicates whether the current application domain is being unloaded or the common language runtime (CLR) is shutting down.

Is64BitOperatingSystem Is64BitOperatingSystem Is64BitOperatingSystem Is64BitOperatingSystem

Détermine si le système d'exploitation actuel est un système d'exploitation 64 bits.Determines whether the current operating system is a 64-bit operating system.

Is64BitProcess Is64BitProcess Is64BitProcess Is64BitProcess

Détermine si le processus actuel est un processus 64 bits.Determines whether the current process is a 64-bit process.

MachineName MachineName MachineName MachineName

Obtient le nom NetBIOS de cet ordinateur local.Gets the NetBIOS name of this local computer.

NewLine NewLine NewLine NewLine

Obtient la chaîne de saut de ligne définie pour cet environnement.Gets the newline string defined for this environment.

OSVersion OSVersion OSVersion OSVersion

Obtient un objet OperatingSystem qui contient l'identificateur et le numéro de version de la plateforme actuelle.Gets an OperatingSystem object that contains the current platform identifier and version number.

ProcessorCount ProcessorCount ProcessorCount ProcessorCount

Obtient le nombre de processeurs de l'ordinateur actuel.Gets the number of processors on the current machine.

StackTrace StackTrace StackTrace StackTrace

Obtient les informations actuelles sur la trace de la pile.Gets current stack trace information.

SystemDirectory SystemDirectory SystemDirectory SystemDirectory

Obtient le chemin qualifié complet du répertoire du système.Gets the fully qualified path of the system directory.

SystemPageSize SystemPageSize SystemPageSize SystemPageSize

Obtient le nombre d'octets figurant dans la page mémoire du système d'exploitation.Gets the number of bytes in the operating system's memory page.

TickCount TickCount TickCount TickCount

Obtient le nombre de millisecondes écoulées depuis le démarrage du système.Gets the number of milliseconds elapsed since the system started.

UserDomainName UserDomainName UserDomainName UserDomainName

Obtient le nom de domaine réseau associé à l'utilisateur actuel.Gets the network domain name associated with the current user.

UserInteractive UserInteractive UserInteractive UserInteractive

Obtient une valeur indiquant si le processus en cours est exécuté en mode interactif avec l'utilisateur.Gets a value indicating whether the current process is running in user interactive mode.

UserName UserName UserName UserName

Obtient le nom d’utilisateur de la personne qui est actuellement connectée au système d’exploitation.Gets the user name of the person who is currently logged on to the operating system.

Version Version Version Version

Obtient un objet Version décrivant le numéro principal, le numéro secondaire, le numéro de build et le numéro de révision du Common Language Runtime.Gets a Version object that describes the major, minor, build, and revision numbers of the common language runtime.

WorkingSet WorkingSet WorkingSet WorkingSet

Obtient la quantité de mémoire physique mappée au contexte du processus.Gets the amount of physical memory mapped to the process context.

Méthodes

Exit(Int32) Exit(Int32) Exit(Int32) Exit(Int32)

Termine ce processus et retourne un code de sortie au système d’exploitation.Terminates this process and returns an exit code to the operating system.

ExpandEnvironmentVariables(String) ExpandEnvironmentVariables(String) ExpandEnvironmentVariables(String) ExpandEnvironmentVariables(String)

Remplace le nom de chaque variable d'environnement incorporée dans la chaîne spécifiée par la chaîne équivalente de la valeur de la variable, puis retourne la chaîne qui en résulte.Replaces the name of each environment variable embedded in the specified string with the string equivalent of the value of the variable, then returns the resulting string.

FailFast(String) FailFast(String) FailFast(String) FailFast(String)

Met immédiatement fin à un processus après avoir écrit un message dans le journal des événements des applications Windows, puis inclut le message dans le rapport d'erreurs à Microsoft.Immediately terminates a process after writing a message to the Windows Application event log, and then includes the message in error reporting to Microsoft.

FailFast(String, Exception) FailFast(String, Exception) FailFast(String, Exception) FailFast(String, Exception)

Met immédiatement fin à un processus après avoir écrit un message dans le journal des événements des applications Windows, puis inclut le message et les informations sur les exceptions dans le rapport d'erreurs à Microsoft.Immediately terminates a process after writing a message to the Windows Application event log, and then includes the message and exception information in error reporting to Microsoft.

GetCommandLineArgs() GetCommandLineArgs() GetCommandLineArgs() GetCommandLineArgs()

Retourne un tableau de chaînes contenant les arguments de la ligne de commande pour le processus en cours.Returns a string array containing the command-line arguments for the current process.

GetEnvironmentVariable(String) GetEnvironmentVariable(String) GetEnvironmentVariable(String) GetEnvironmentVariable(String)

Récupère la valeur d'une variable d'environnement du processus en cours.Retrieves the value of an environment variable from the current process.

GetEnvironmentVariable(String, EnvironmentVariableTarget) GetEnvironmentVariable(String, EnvironmentVariableTarget) GetEnvironmentVariable(String, EnvironmentVariableTarget) GetEnvironmentVariable(String, EnvironmentVariableTarget)

Récupère la valeur d'une variable d'environnement du processus en cours ou de la clé de Registre du système d'exploitation Windows pour l'utilisateur ou l'ordinateur local actuel.Retrieves the value of an environment variable from the current process or from the Windows operating system registry key for the current user or local machine.

GetEnvironmentVariables() GetEnvironmentVariables() GetEnvironmentVariables() GetEnvironmentVariables()

Récupère tous les noms des variables d'environnement et leurs valeurs à partir du processus en cours.Retrieves all environment variable names and their values from the current process.

GetEnvironmentVariables(EnvironmentVariableTarget) GetEnvironmentVariables(EnvironmentVariableTarget) GetEnvironmentVariables(EnvironmentVariableTarget) GetEnvironmentVariables(EnvironmentVariableTarget)

Récupère tous les noms des variables d'environnement et leurs valeurs à partir du processus en cours, ou depuis la clé de Registre du système d'exploitation Windows pour l'utilisateur ou l'ordinateur local actuel.Retrieves all environment variable names and their values from the current process, or from the Windows operating system registry key for the current user or local machine.

GetFolderPath(Environment+SpecialFolder) GetFolderPath(Environment+SpecialFolder) GetFolderPath(Environment+SpecialFolder) GetFolderPath(Environment+SpecialFolder)

Obtient le chemin d'accès au dossier spécial du système identifié par l'énumération spécifiée.Gets the path to the system special folder that is identified by the specified enumeration.

GetFolderPath(Environment+SpecialFolder, Environment+SpecialFolderOption) GetFolderPath(Environment+SpecialFolder, Environment+SpecialFolderOption) GetFolderPath(Environment+SpecialFolder, Environment+SpecialFolderOption) GetFolderPath(Environment+SpecialFolder, Environment+SpecialFolderOption)

Obtient le chemin d'accès au dossier spécial du système identifié par l'énumération spécifiée et utilise une option spécifiée pour l'accès aux dossiers spéciaux.Gets the path to the system special folder that is identified by the specified enumeration, and uses a specified option for accessing special folders.

GetLogicalDrives() GetLogicalDrives() GetLogicalDrives() GetLogicalDrives()

Retourne un tableau de chaînes contenant les noms des lecteurs logiques de l'ordinateur actuel.Returns an array of string containing the names of the logical drives on the current computer.

SetEnvironmentVariable(String, String) SetEnvironmentVariable(String, String) SetEnvironmentVariable(String, String) SetEnvironmentVariable(String, String)

Crée, modifie ou supprime une variable d'environnement stockée dans le processus en cours.Creates, modifies, or deletes an environment variable stored in the current process.

SetEnvironmentVariable(String, String, EnvironmentVariableTarget) SetEnvironmentVariable(String, String, EnvironmentVariableTarget) SetEnvironmentVariable(String, String, EnvironmentVariableTarget) SetEnvironmentVariable(String, String, EnvironmentVariableTarget)

Crée, modifie ou supprime une variable d'environnement stockée dans le processus en cours ou dans la clé de Registre du système d'exploitation Windows réservée pour l'utilisateur ou l'ordinateur local actuel.Creates, modifies, or deletes an environment variable stored in the current process or in the Windows operating system registry key reserved for the current user or local machine.

S’applique à