Environment.Exit メソッドとは何？わかりやすく解説 Weblio辞書

.NET Framework クラスライブラリリファレンス

索引トップ用語の索引ランキング

Environment.Exit メソッド

このプロセスを終了し、指定されている終了コードを基になるオペレーティングシステムに渡します。

名前空間: System
アセンブリ: mscorlib (mscorlib.dll 内)
構文

Visual Basic (宣言)

Public Shared Sub Exit
 ( _
    exitCode As Integer _
)

Visual Basic (使用法)

Dim exitCode As Integer

Environment.Exit(exitCode)

public static void Exit
 (
    int exitCode
)

C++

public:
static void Exit (
    int exitCode
)

public static void Exit
 (
    int exitCode
)

JScript

public static function Exit
 (
    exitCode : int
)

パラメータ

exitCode: オペレーティングシステムに渡される終了コード。

例外

例外の種類	条件
SecurityException	呼び出し元に、この関数を実行するための十分なセキュリティ許可がありません。

使用例

Exit メソッドを使用してプログラムの実行を停止し、オペレーティングシステムに終了コードを返すコード例を次に示します。

Visual Basic

' Example for the Environment.Exit( Integer ) method.
Imports System

Module ExitTest
   
    Sub Main()
        Console.WriteLine( _
            "If this program is invoked with [{0}] "
 & _
            "from the command prompt,", _
            Environment.CommandLine)
          
        Dim args As String()
 = Environment.GetCommandLineArgs()
          
        ' args[0] is the program name, and args[1] is the first argument.
        ' Test for a command-line argument.
        If args.Length > 1 Then

            ' Parse the argument. If successful, exit with the parsed
 code.
            Try
                Dim exitCode As Integer
 = Integer.Parse(args(1))
                
                Console.WriteLine("it exits with code: 0x{0:X8}.",
 exitCode)
                Environment.Exit(exitCode)

            ' If the parse fails, you fall out of the program.
            Catch 
            End Try
        End If
        Console.WriteLine("it exits by falling through.")
    End Sub 'Main
End Module 'ExitTest

' If this program is invoked with [EnvExit -2147480000] from the command
 prompt,
' it exits with code: 0x80000E40.

// Example for the Environment.Exit( int ) method.
using System;

class ExitTest
{
    public static void Main(
 ) 
    {
        Console.WriteLine( 
            "If this program is invoked with [{0}] "
 +
            "from the command prompt,", 
            Environment.CommandLine );

        String[ ]   args = Environment.GetCommandLineArgs( );

        // args[0] is the program name and, args[1] is the first argument.
        // Test for a command-line argument.
        if( args.Length > 1 )
        {

            // Parse the argument. If successful, exit with the parsed
 code.
            try
            {
                int     exitCode = int.Parse(
 args[1] );

                Console.WriteLine( "it exits with code: 0x{0:X8}.", exitCode
 );
                Environment.Exit( exitCode );
            }
            // If the parse fails, you fall out of the program.
            catch
            { }
        }
        Console.WriteLine( "it exits by falling through." );
    }
}

/*
If this program is invoked with [EnvExit -2147480000] from the
 command prompt,
it exits with code: 0x80000E40.
*/

C++

// Example for the Environment::Exit( int ) method.
using namespace System;
int main()
{
   Console::WriteLine( "If this program is invoked with [{0}]
 "
   "from the command prompt,", Environment::CommandLine );
   array<String^>^args = Environment::GetCommandLineArgs();
   
   // args[0] is the program name, and args[1] is the first argument.
   // Test for a command-line argument.
   if ( args->Length > 1 )
   {
      
      // Parse the argument. If successful, exit with the parsed code.
      try
      {
         int exitCode = Int32::Parse( args[ 1 ] );
         Console::WriteLine( "it exits with code: 0x{0:X8}.", exitCode
 );
         Environment::Exit( exitCode );
      }
      // If the parse fails, you fall out of the program.
      catch ( Exception^ e ) 
      {
      }

   }

   Console::WriteLine( "it exits by falling through." );
}

/*
If this program is invoked with [EnvExit -2147480000] from the
 command prompt,
it exits with code: 0x80000E40.
*/

// Example for the Environment.Exit(int) method.
import System.* ;

class ExitTest
{
    public static void main(String[]
 args)
    {
        Console.WriteLine("If this program is invoked with
 [{0}] " +
            "from the command prompt,", Environment.get_CommandLine());
        String args1[] = Environment.GetCommandLineArgs();

        // args[0] is the program name and, args[1] is the first argument.
        // Test for a command-line argument.
        if (args1.length > 1) {
            // Parse the argument. If successful, exit with the parsed
 code.
            try {
                int exitCode = Integer.parseInt(args1[1]);
                Console.WriteLine("it exits with code: 0x{0:X8}.",
                    ((System.Int32)(exitCode)).ToString("X8") );
                Environment.Exit(exitCode);
            }
            // If the parse fails, you fall out of the program.
            catch(System.Exception exp) {
            }
        }
        Console.WriteLine("it exits by falling through.");
    } //main
} //ExitTest

/*
If this program is invoked with [EnvExit -2147480000] from the
 command prompt,
it exits with code: 0x80000E40.
*/