IMethodCallMessageとは? わかりやすく解説

IMethodCallMessage インターフェイス

メソッド呼び出しメッセージインターフェイス定義します

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

<ComVisibleAttribute(True)> _
Public Interface IMethodCallMessage
    Inherits IMethodMessage, IMessage
Dim instance As IMethodCallMessage
[ComVisibleAttribute(true)] 
public interface IMethodCallMessage : IMethodMessage, IMessage
[ComVisibleAttribute(true)] 
public interface class IMethodCallMessage :
 IMethodMessage, IMessage
/** @attribute ComVisibleAttribute(true) */ 
public interface IMethodCallMessage extends IMethodMessage, IMessage
ComVisibleAttribute(true) 
public interface IMethodCallMessage extends
 IMethodMessage, IMessage
解説解説
使用例使用例
Imports System
Imports System.Collections
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Proxies
Imports System.Runtime.Remoting.Messaging
Imports System.Security.Permissions

Namespace IMethodCallMessageNS

   ' MyProxy extends the CLR Remoting RealProxy.
   ' In the same class, in the Invoke method, we demonstrate the
   ' methods and properties of the IMethodCallMessage.

   <PermissionSet(SecurityAction.Demand, Name:="FullTrust")>
 _
   Public Class MyProxy
      Inherits RealProxy

      Public Sub New(ByVal
 myType As Type)
         ' This constructor forwards the call to base RealProxy.
         ' RealProxy uses the Type to generate a transparent proxy.
         MyBase.New(myType)
      End Sub 'New

      Public Overrides Function
 Invoke(ByVal myIMessage As IMessage) As
 IMessage
         Console.WriteLine("MyProxy.Invoke Start")
         Console.WriteLine("")

         If TypeOf myIMessage Is
 IMethodCallMessage Then
            Console.WriteLine("Message is of
 type 'IMethodCallMessage'.")
            Console.WriteLine("")

            Dim myIMethodCallMessage As IMethodCallMessage
            myIMethodCallMessage = CType(myIMessage, IMethodCallMessage)

            Console.WriteLine("InArgCount is : " +
 myIMethodCallMessage.InArgCount.ToString)
            Dim myObj As Object
            For Each myObj In
 myIMethodCallMessage.InArgs
               Console.WriteLine("InArgs is : " +
 myObj.ToString())
            Next

            Dim i As Integer
            For i = 0 To myIMethodCallMessage.InArgCount
 - 1
               Console.WriteLine("GetArgName(" + i.ToString()
 + ") is : " + myIMethodCallMessage.GetArgName(i))
               Console.WriteLine("GetInArg(" + i.ToString()
 + ") is : " + myIMethodCallMessage.GetInArg(i).ToString)
            Next i

            Console.WriteLine("")
         ElseIf TypeOf myIMessage Is
 IMethodReturnMessage Then
            Console.WriteLine("Message is of
 type 'IMethodReturnMessage'.")
         End If

         ' Build Return Message
         Dim myReturnMessage As New
 ReturnMessage(5, Nothing, 0, Nothing, _
                                    CType(myIMessage, IMethodCallMessage))

         Console.WriteLine("MyProxy.Invoke - Finish")
         Return myReturnMessage

      End Function 'Invoke



   End Class 'MyProxy

   ' The class used to obtain Metadata.
   <PermissionSet(SecurityAction.Demand, Name:="FullTrust")>
 _
   Public Class MyMarshalByRefClass
      Inherits MarshalByRefObject

      Public Function MyMethod(ByVal
 str As String, ByVal dbl
 As Double, ByVal i As Integer) As Integer
         Console.WriteLine("MyMarshalByRefClass.MyMethod {0} {1}
 {2}", str, dbl, i)
         Return 0
      End Function 'MyMethod
   End Class 'MyMarshalByRefClass

   ' Main class that drives the whole sample.
   Public Class ProxySample

      <SecurityPermission(SecurityAction.LinkDemand)> _
      Shared Sub Main()
         Console.WriteLine("Generate a new MyProxy.")
         Dim myProxy As New
 MyProxy(GetType(MyMarshalByRefClass))

         Console.WriteLine("Obtain the transparent proxy from
 myProxy.")
         Dim myMarshalByRefClassObj As MyMarshalByRefClass
 = _
                        CType(myProxy.GetTransparentProxy(), MyMarshalByRefClass)

         Console.WriteLine("Calling the Proxy.")
         Dim myReturnValue As Object
 = myMarshalByRefClassObj.MyMethod("Microsoft", 1.2,
 6)

         Console.WriteLine("Sample Done.")
      End Sub 'Main
   End Class 'ProxySample
End Namespace 'IMethodCallMessageNS
using System;
using System.Collections;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Proxies;
using System.Runtime.Remoting.Messaging;
using System.Security.Permissions;

namespace IMethodCallMessageNS
{
   // MyProxy extends the CLR Remoting RealProxy.
   // In the same class, in the Invoke method, the methods and properties
 of the 
   // IMethodCallMessage are demonstrated.

   [PermissionSet(SecurityAction.Demand, Name="FullTrust")]
   public class MyProxy : RealProxy
   {
      public MyProxy(Type myType) : base(myType)
      {
         // This constructor forwards the call to base RealProxy.
         // RealProxy uses the Type to generate a transparent proxy.
      }


      public override IMessage Invoke(IMessage myIMessage)
      {
         Console.WriteLine("MyProxy.Invoke Start");
         Console.WriteLine("");
         ReturnMessage myReturnMessage = null;
         
         if (myIMessage is IMethodCallMessage)
         {
            Console.WriteLine("Message is of type 'IMethodCallMessage'.");
            Console.WriteLine("");

            IMethodCallMessage myIMethodCallMessage;
            myIMethodCallMessage=(IMethodCallMessage)myIMessage;
            Console.WriteLine("InArgCount is  : " + 
                              myIMethodCallMessage.InArgCount.ToString());
         
            foreach (object myObj in myIMethodCallMessage.InArgs)
            {
               Console.WriteLine("InArgs is : " + myObj.ToString());
            }

            for(int i=0; i<myIMethodCallMessage.InArgCount;
 i++)
            {
               Console.WriteLine("GetArgName(" +i.ToString() +") is
 : " + 
                                       myIMethodCallMessage.GetArgName(i));
               Console.WriteLine("GetInArg("+i.ToString() +") is :
 " +
                              myIMethodCallMessage.GetInArg(i).ToString());
            }
            Console.WriteLine("");
         }
         else if (myIMessage is IMethodReturnMessage)
            Console.WriteLine("Message is of type 'IMethodReturnMessage'.");
                  
         // Build Return Message
         myReturnMessage = new ReturnMessage(5,null
,0,null,
                                       (IMethodCallMessage)myIMessage);
      
         Console.WriteLine("MyProxy.Invoke - Finish");
         return myReturnMessage;
      }


   }
  
   
   // The class used to obtain Metadata.
   [PermissionSet(SecurityAction.Demand, Name="FullTrust")]
   public class MyMarshalByRefClass : MarshalByRefObject
   {
      public int MyMethod(string
 str, double dbl, int i)
      {
         Console.WriteLine("MyMarshalByRefClass.MyMethod {0} {1} {2}",
 str, dbl, i);
         return 0;
      }
   }
   // Main class that drives the whole sample.
   public class ProxySample
   {
      [SecurityPermission(SecurityAction.LinkDemand)]
      public static void
 Main()
      {
         Console.WriteLine("Generate a new MyProxy.");
         MyProxy myProxy = new MyProxy(typeof(MyMarshalByRefClass));

         Console.WriteLine("Obtain the transparent proxy from myProxy.");
         MyMarshalByRefClass myMarshalByRefClassObj = 
                              (MyMarshalByRefClass)myProxy.GetTransparentProxy();

         Console.WriteLine("Calling the Proxy.");
         object myReturnValue = myMarshalByRefClassObj.MyMethod("Microsoft",
 1.2, 6);
         
         Console.WriteLine("Sample Done.");
      }
   }
}
using namespace System;
using namespace System::Collections;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Proxies;
using namespace System::Runtime::Remoting::Messaging;

// MyProxy extends the CLR Remoting RealProxy.
// In the same class, in the Invoke method, the methods and properties
 of the 
// IMethodCallMessage are demonstrated.

[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::LinkDemand, 
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::InheritanceDemand, 
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]

public ref class MyProxy: public
 RealProxy
{
public:
   MyProxy( Type^ myType )
      : RealProxy( myType )
   {
      // This constructor forwards the call to base RealProxy.
      // RealProxy uses the Type to generate a transparent proxy.
   }

   virtual IMessage^ Invoke( IMessage^ myIMessage ) override
   {
      Console::WriteLine( "MyProxy::Invoke Start" );
      Console::WriteLine( "" );
      ReturnMessage^ myReturnMessage = nullptr;
      if ( dynamic_cast<IMethodCallMessage^>(myIMessage)
 )
      {
         Console::WriteLine( "Message is of type 'IMethodCallMessage*'."
 );
         Console::WriteLine( "" );
         IMethodCallMessage^ myIMethodCallMessage;
         myIMethodCallMessage = dynamic_cast<IMethodCallMessage^>(myIMessage);
         Console::WriteLine( "InArgCount is  : {0}", myIMethodCallMessage->InArgCount
 );
         IEnumerator^ myEnum = myIMethodCallMessage->InArgs->GetEnumerator();
         while ( myEnum->MoveNext() )
         {
            Object^ myObj = safe_cast<Object^>(myEnum->Current);
            Console::WriteLine( "InArgs is : {0}", myObj );
         }

         for ( int i = 0; i < myIMethodCallMessage->InArgCount;
 i++ )
         {
            Console::WriteLine( "GetArgName({0}) is : {1}", i, myIMethodCallMessage->GetArgName(
 i ) );
            Console::WriteLine( "GetInArg({0}) is : {0}", i, myIMethodCallMessage->GetInArg(
 i ) );

         }
         Console::WriteLine( "" );
      }
      else
      if ( dynamic_cast<IMethodReturnMessage^>(myIMessage)
 )
            Console::WriteLine( "Message is of type 'IMethodReturnMessage*'."
 );

      // Build Return Message 
      myReturnMessage = gcnew ReturnMessage( 5,nullptr,0,nullptr,dynamic_cast<IMethodCallMessage^>(myIMessage)
 );
      Console::WriteLine( "MyProxy::Invoke - Finish" );
      return myReturnMessage;
   }
};

// The class used to obtain Metadata.
public ref class MyMarshalByRefClass: public
 MarshalByRefObject
{
public:
   int MyMethod( String^ str, double dbl, int
 i )
   {
      Console::WriteLine( "MyMarshalByRefClass::MyMethod {0} {1} {2}",
 str, dbl, i );
      return 0;
   }

};

// Main routine that drives the whole sample.
int main()
{
   Console::WriteLine( "Generate a new MyProxy." );
   MyProxy^ myProxy = gcnew MyProxy( MyMarshalByRefClass::typeid );
   Console::WriteLine( "Obtain the transparent proxy from myProxy." );
   MyMarshalByRefClass^ myMarshalByRefClassObj = dynamic_cast<MyMarshalByRefClass^>(myProxy->GetTransparentProxy());
   Console::WriteLine( "Calling the Proxy." );
   Object^ myReturnValue = myMarshalByRefClassObj->MyMethod( "Microsoft",
 1.2, 6 );
   Console::WriteLine( "Sample Done." );
   return 0;
}
プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照
関連項目
IMethodCallMessage メンバ
System.Runtime.Remoting.Messaging 名前空間

IMethodCallMessage プロパティ


IMethodCallMessage メソッド


パブリック メソッドパブリック メソッド

参照参照

関連項目

IMethodCallMessage インターフェイス
System.Runtime.Remoting.Messaging 名前空間

IMethodCallMessage メンバ




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