IMethodCallMessage Antarmuka

Referensi

Definisi

Ruang nama:: System.Runtime.Remoting.Messaging

Rakitan:: mscorlib.dll

Penting

Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.

Menentukan antarmuka pesan panggilan metode.

public interface class IMethodCallMessage : System::Runtime::Remoting::Messaging::IMethodMessage

public interface IMethodCallMessage : System.Runtime.Remoting.Messaging.IMethodMessage

[System.Runtime.InteropServices.ComVisible(true)]
public interface IMethodCallMessage : System.Runtime.Remoting.Messaging.IMethodMessage

type IMethodCallMessage = interface
    interface IMethodMessage
    interface IMessage

[<System.Runtime.InteropServices.ComVisible(true)>]
type IMethodCallMessage = interface
    interface IMethodMessage
    interface IMessage

Public Interface IMethodCallMessage
Implements IMethodMessage

Turunan: System.Runtime.Remoting.Activation.IConstructionCallMessage

System.Runtime.Remoting.Messaging.ConstructionCall

System.Runtime.Remoting.Messaging.MethodCall

System.Runtime.Remoting.Messaging.MethodCallMessageWrapper

Atribut: ComVisibleAttribute

Penerapan: IMessage IMethodMessage

Contoh

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;
}

using System;
using System.Collections;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Proxies;
using System.Runtime.Remoting.Messaging;

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.

   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.
   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
   {
      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.");
      }
   }
}

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

      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

   ' 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

   ' 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
   End Class
End Namespace 'IMethodCallMessageNS

Keterangan

IMethodCallMessage dihasilkan sebagai hasil dari metode yang disebut pada objek jarak jauh, dan digunakan untuk mengangkut detail tentang panggilan metode jarak jauh ke sisi server.

Properti

ArgCount	Mendapatkan jumlah argumen yang diteruskan ke metode . (Diperoleh dari IMethodMessage)
Args	Mendapatkan array argumen yang diteruskan ke metode . (Diperoleh dari IMethodMessage)
HasVarArgs	Mendapatkan nilai yang menunjukkan apakah pesan memiliki argumen variabel. (Diperoleh dari IMethodMessage)
InArgCount	Mendapatkan jumlah argumen dalam panggilan yang tidak ditandai sebagai `out` parameter.
InArgs	Mendapatkan array argumen yang tidak ditandai sebagai `out` parameter.
LogicalCallContext	LogicalCallContext Mendapatkan untuk panggilan metode saat ini. (Diperoleh dari IMethodMessage)
MethodBase	MethodBase Mendapatkan dari metode yang dipanggil. (Diperoleh dari IMethodMessage)
MethodName	Mendapatkan nama metode yang dipanggil. (Diperoleh dari IMethodMessage)
MethodSignature	Mendapatkan objek yang berisi tanda tangan metode. (Diperoleh dari IMethodMessage)
Properties	Mendapatkan yang IDictionary mewakili kumpulan properti pesan. (Diperoleh dari IMessage)
TypeName	Mendapatkan nama lengkap Type objek tertentu yang ditujukan untuk panggilan. (Diperoleh dari IMethodMessage)
Uri	Mendapatkan URI objek tertentu yang ditujukan untuk panggilan. (Diperoleh dari IMethodMessage)

Metode

GetArg(Int32)	Mendapatkan argumen tertentu sebagai Object. (Diperoleh dari IMethodMessage)
GetArgName(Int32)	Mendapatkan nama argumen yang diteruskan ke metode . (Diperoleh dari IMethodMessage)
GetInArg(Int32)	Mengembalikan argumen yang ditentukan yang tidak ditandai sebagai `out` parameter.
GetInArgName(Int32)	Mengembalikan nama argumen yang ditentukan yang tidak ditandai sebagai `out` parameter.

Berlaku untuk

Bagikan melalui