IMethodCallMessage.InArgCount-Eigenschaft

Ruft die Anzahl der Argumente im Aufruf ab, die nicht als out-Parameter gekennzeichnet sind.

Namespace: System.Runtime.Remoting.Messaging
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
ReadOnly Property InArgCount As Integer
'Usage
Dim instance As IMethodCallMessage
Dim value As Integer

value = instance.InArgCount

int InArgCount { get; }

property int InArgCount {
    int get ();
}

/** @property */
int get_InArgCount ()

function get InArgCount () : int

Eigenschaftenwert

Die Anzahl der Argumente im Aufruf, die nicht als out-Parameter gekennzeichnet sind.

Ausnahmen

Beispiel

Im folgenden Beispielcode wird ein benutzerdefinierter Proxy veranschaulicht, der RealProxy.Invoke überschreibt, um die Meldungsinformationen für den Aufruf auf der Konsole auszugeben.

   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

   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;
   }
}

   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;
   }

};

.NET Framework-Sicherheit

• SecurityPermission  für die Verwendung von Infrastrukturcode. Anforderungswert: SecurityAction.LinkDemand; Berechtigungswert: SecurityPermissionFlag.Infrastructure

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

IMethodCallMessage-Schnittstelle
IMethodCallMessage-Member
System.Runtime.Remoting.Messaging-Namespace