IMethodCallMessage.InArgCount Property     
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets the number of arguments in the call that are not marked as out parameters.
public:
 property int InArgCount { int get(); };public int InArgCount { get; }public int InArgCount { [System.Security.SecurityCritical] get; }member this.InArgCount : int[<get: System.Security.SecurityCritical>]
member this.InArgCount : intPublic ReadOnly Property InArgCount As IntegerProperty Value
The number of arguments in the call that are not marked as out parameters.
- Attributes
Exceptions
The immediate caller makes the call through a reference to the interface and does not have infrastructure permission.
Examples
The following example code shows a custom proxy that overrides RealProxy.Invoke in order to write the call message information to the console.
   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;
   }
};
   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;
   }
}
   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