IMethodCallMessage.InArgCount Propriété
Définition
Important
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Obtient le nombre d'arguments dans l'appel qui ne sont pas marqués comme paramètres out
.
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 : int
Public ReadOnly Property InArgCount As Integer
Valeur de propriété
Nombre d'arguments dans l'appel qui ne sont pas marqués comme paramètres out
.
- Attributs
Exceptions
L’appelant immédiat effectue l’appel via une référence à l’interface et ne dispose pas d’autorisation d’infrastructure.
Exemples
L’exemple de code suivant montre un proxy personnalisé qui remplace RealProxy.Invoke afin d’écrire les informations du message d’appel dans la 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