IMethodReturnMessage.OutArgCount Proprietà

Definizione

Spazio dei nomi:

System.Runtime.Remoting.Messaging

Assembly:

mscorlib.dll

Ottiene il numero di argomenti nella chiamata di metodo contrassegnati come parametri ref o out.

public:
 property int OutArgCount { int get(); };

public int OutArgCount { get; }

public int OutArgCount { [System.Security.SecurityCritical] get; }

member this.OutArgCount : int

[<get: System.Security.SecurityCritical>]
member this.OutArgCount : int

Public ReadOnly Property OutArgCount As Integer

Valore della proprietà

Int32

Numero di argomenti nella chiamata di metodo contrassegnati come parametri ref o out.

Attributi

SecurityCriticalAttribute

Eccezioni

SecurityException

Il chiamante immediato esegue la chiamata tramite un riferimento all'interfaccia, ma non dispone delle autorizzazioni di accesso all'infrastruttura.

Esempio

Il codice di esempio seguente mostra un proxy personalizzato che esegue l'override RealProxy.Invoke per scrivere le informazioni sul messaggio restituite nella console.

virtual IMessage^ Invoke( IMessage^ myMessage ) override
{
   IMethodCallMessage^ myCallMessage = (IMethodCallMessage^)( myMessage );

   IMethodReturnMessage^ myIMethodReturnMessage =
      RemotingServices::ExecuteMessage( myMarshalByRefObject, myCallMessage );

   Console::WriteLine( "Method name : {0}", myIMethodReturnMessage->MethodName );
   Console::WriteLine( "The return value is : {0}", myIMethodReturnMessage->ReturnValue );

   // Get number of 'ref' and 'out' parameters.
   int myArgOutCount = myIMethodReturnMessage->OutArgCount;
   Console::WriteLine( "The number of 'ref', 'out' parameters are : {0}",
      myIMethodReturnMessage->OutArgCount );
   // Gets name and values of 'ref' and 'out' parameters.
   for ( int i = 0; i < myArgOutCount; i++ )
   {
      Console::WriteLine( "Name of argument {0} is '{1}'.",
         i, myIMethodReturnMessage->GetOutArgName( i ) );
      Console::WriteLine( "Value of argument {0} is '{1}'.",
         i, myIMethodReturnMessage->GetOutArg( i ) );
   }
   Console::WriteLine();
   array<Object^>^myObjectArray = myIMethodReturnMessage->OutArgs;
   for ( int i = 0; i < myObjectArray->Length; i++ )
      Console::WriteLine( "Value of argument {0} is '{1}' in OutArgs",
         i, myObjectArray[ i ] );
   return myIMethodReturnMessage;
}

public override IMessage Invoke(IMessage myMessage)
{
   IMethodCallMessage myCallMessage = (IMethodCallMessage)myMessage;

   IMethodReturnMessage myIMethodReturnMessage =
      RemotingServices.ExecuteMessage(myMarshalByRefObject, myCallMessage);

   Console.WriteLine("Method name : " + myIMethodReturnMessage.MethodName);
   Console.WriteLine("The return value is : " + myIMethodReturnMessage.ReturnValue);

   // Get number of 'ref' and 'out' parameters.
   int myArgOutCount = myIMethodReturnMessage.OutArgCount;
   Console.WriteLine("The number of 'ref', 'out' parameters are : " +
      myIMethodReturnMessage.OutArgCount);
   // Gets name and values of 'ref' and 'out' parameters.
   for(int i = 0; i < myArgOutCount; i++)
   {
      Console.WriteLine("Name of argument {0} is '{1}'.",
         i, myIMethodReturnMessage.GetOutArgName(i));
      Console.WriteLine("Value of argument {0} is '{1}'.",
         i, myIMethodReturnMessage.GetOutArg(i));
   }
   Console.WriteLine();
   object[] myObjectArray = myIMethodReturnMessage.OutArgs;
   for(int i = 0; i < myObjectArray.Length; i++)
      Console.WriteLine("Value of argument {0} is '{1}' in OutArgs",
         i, myObjectArray[i]);
   return myIMethodReturnMessage;
}

Public Overrides Function Invoke(myMessage As IMessage) As IMessage
   Dim myCallMessage As IMethodCallMessage = CType(myMessage, IMethodCallMessage)

   Dim myIMethodReturnMessage As IMethodReturnMessage = RemotingServices. _
      ExecuteMessage(myMarshalByRefObject, myCallMessage)

   Console.WriteLine("Method name : " + myIMethodReturnMessage.MethodName)
   Console.WriteLine("The return value is : " + myIMethodReturnMessage.ReturnValue)
   
   ' Get number of 'ref' and 'out' parameters.
   Dim myArgOutCount As Integer = myIMethodReturnMessage.OutArgCount
   Console.WriteLine("The number of 'ref', 'out' parameters are : " + _
      myIMethodReturnMessage.OutArgCount.ToString())
   ' Gets name and values of 'ref' and 'out' parameters.
   Dim i As Integer
   For i = 0 To myArgOutCount - 1
      Console.WriteLine("Name of argument {0} is '{1}'.", i, _
         myIMethodReturnMessage.GetOutArgName(i))
      Console.WriteLine("Value of argument {0} is '{1}'.", i, _
         myIMethodReturnMessage.GetOutArg(i))
   Next i
   Console.WriteLine()
   Dim myObjectArray As Object() = myIMethodReturnMessage.OutArgs
   For i = 0 To myObjectArray.Length - 1
      Console.WriteLine("Value of argument {0} is '{1}' in OutArgs", i, myObjectArray(i))
   Next i
   Return myIMethodReturnMessage
End Function 'Invoke