CannotUnloadAppDomainException コンストラクタ ()

CannotUnloadAppDomainException クラスの新しいインスタンスを初期化します。

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

構文

'宣言
Public Sub New
'使用
Dim instance As New CannotUnloadAppDomainException

public CannotUnloadAppDomainException ()

public:
CannotUnloadAppDomainException ()

public CannotUnloadAppDomainException ()

public function CannotUnloadAppDomainException ()

解説

このコンストラクタは、新しいインスタンスの Message プロパティを初期化し、その値として "appdomain のアンロードに失敗しました" などのエラーを説明するシステム提供のメッセージを指定します。このメッセージは、システムの現在のカルチャを考慮して指定します。

CannotUnloadAppDomainException のインスタンスの初期プロパティ値を次の表に示します。

使用例

Imports System
Imports System.Reflection
Imports System.Security.Policy
'Imports System.Data
 'for evidence object

Class ADMultiDomain
   
   ' The following attribute indicates to loader that multiple application 
   ' domains are used in this application.
   <LoaderOptimizationAttribute(LoaderOptimization.MultiDomainHost)>  _
   Public Shared Sub Main()
      ' Create application ___domain setup information for new application ___domain.
      Dim domaininfo As New AppDomainSetup()
      domaininfo.ApplicationBase = System.Environment.CurrentDirectory
      domaininfo.ApplicationName = "MyMultiDomain Application"
      
      'Create evidence for the new appdomain from evidence of current application ___domain.
      Dim adevidence As Evidence = AppDomain.CurrentDomain.Evidence
      
      ' Create appdomain.
      Dim newDomain As AppDomain = AppDomain.CreateDomain("MyMultiDomain", adevidence, domaininfo)
      
      'Load an assembly into the new application ___domain.
      Dim w As Worker = CType( _
         newDomain.CreateInstanceAndUnwrap( _
            [Assembly].GetExecutingAssembly().GetName().Name, _
            "Worker"), _
         Worker) 
      w.TestLoad()
      
      'Unload the application ___domain, which also unloads the assembly.
      AppDomain.Unload(newDomain)
      
   End Sub 'Main
End Class 'ADMultiDomain

Class Worker
   Inherits MarshalByRefObject

   Friend Sub TestLoad()
      ' You must supply a valid assembly display name here.
      [Assembly].Load("Text assembly name, Culture, PublicKeyToken, Version")

      For Each assem As [Assembly] In AppDomain.CurrentDomain.GetAssemblies()
         Console.WriteLine(assem.FullName)
      Next
   End Sub
End Class

using System;
using System.Reflection;
using System.Security.Policy;  //for evidence object

class ADMultiDomain
{
   // The following attribute indicates to loader that multiple application 
   // domains are used in this application.
   [LoaderOptimizationAttribute( LoaderOptimization.MultiDomainHost)]
   public static void Main()
   {
      // Create application ___domain setup information for new application ___domain.
      AppDomainSetup domaininfo = new AppDomainSetup();
      domaininfo.ApplicationBase = System.Environment.CurrentDirectory;
      domaininfo.ApplicationName = "MyMultiDomain Application";

      //Create evidence for the new appdomain from evidence of current application ___domain.
      Evidence adevidence = AppDomain.CurrentDomain.Evidence;

      // Create appdomain.
      AppDomain newDomain = AppDomain.CreateDomain("MyMultiDomain", adevidence, domaininfo);

      // Load an assembly into the new application ___domain.
      Worker w = (Worker) newDomain.CreateInstanceAndUnwrap( 
         Assembly.GetExecutingAssembly().GetName().Name,
         "Worker"
      );
      w.TestLoad();

      //Unload the application ___domain, which also unloads the assembly.
      AppDomain.Unload(newDomain);
   }
}

class Worker : MarshalByRefObject
{
   internal void TestLoad()
   {
      // You must supply a valid fully qualified assembly name here.
      Assembly.Load("Text assembly name, Culture, PublicKeyToken, Version");
      foreach (Assembly assem in AppDomain.CurrentDomain.GetAssemblies())
         Console.WriteLine(assem.FullName);
   }
}

using namespace System;
using namespace System::Reflection;
using namespace System::Security::Policy;

ref class Worker : MarshalByRefObject
{
public:
   void TestLoad()
   {
      // You must supply a valid fully qualified assembly name here.
      Assembly::Load("Text assembly name, Culture, PublicKeyToken, Version");
      for each (Assembly^ assem in AppDomain::CurrentDomain->GetAssemblies())
         Console::WriteLine(assem->FullName);
   }
};

//for evidence Object*
// The following attribute indicates to loader that multiple application
// domains are used in this application.

[LoaderOptimizationAttribute(LoaderOptimization::MultiDomainHost)]
int main()
{
   
   // Create application ___domain setup information for new application ___domain.
   AppDomainSetup^ domaininfo = gcnew AppDomainSetup;
   domaininfo->ApplicationBase = System::Environment::CurrentDirectory;
   domaininfo->ApplicationName = "MyMultiDomain Application";
   
   //Create evidence for the new appdomain from evidence of current application ___domain.
   Evidence^ adevidence = AppDomain::CurrentDomain->Evidence;
   
   // Create appdomain.
   AppDomain^ newDomain = AppDomain::CreateDomain( "MyMultiDomain", adevidence, domaininfo );
   
   // Load an assembly into the new application ___domain.
   Worker^ w = (Worker^) newDomain->CreateInstanceAndUnwrap(
      Assembly::GetExecutingAssembly()->GetName()->Name,
      "Worker"
   );
   w->TestLoad();

   //Unload the application ___domain, which also unloads the assembly.
   AppDomain::Unload(newDomain);
}

プラットフォーム

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

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework

サポート対象 : 2.0、1.1、1.0

.NET Compact Framework

サポート対象 : 2.0

参照

関連項目

CannotUnloadAppDomainException クラス
CannotUnloadAppDomainException メンバ
System 名前空間