[IronPython] InvokeMember with three or more parameters.

[Dino Viehland]

We haven't implemented support for more than 3 parameters :)

In 2.6 I just fixed > 3 params for the Invoke case (not InvokeMember)
and I can fix > 3 for InvokeMember/CreateInstance as well before
2.6 ships.

The preferred way to do this though is to do a GetMember<T> where
T is a delegate type with > 3 paraemters.  Then you can just invoke
the delegate.

> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-
> bounces at lists.ironpython.com] On Behalf Of Pavel Suhotyuk
> Sent: Monday, August 17, 2009 1:19 AM
> To: Discussion of IronPython
> Subject: [IronPython] InvokeMember with three or more parameters.
>
> Hello.
>
> I have Python code:
>
> class Broker ( object ) :
>
>      def validation( self, info, provider_manager ):
>          pass
>
>      def check( self, payment, payment_manager, provider_manager ):
>          pass
>
> and try to call methods by this c# code:
>
> operations = scriptEngine.CreateOperations();
> var scriptSource =
> scriptEngine.CreateScriptSourceFromString(script,SourceCodeKind.Stateme
> nts);
> scriptCode = scriptSource.Compile();
> scriptCode.Execute();
> scriptScope = scriptCode.DefaultScope;
> broker =
> scriptEngine.Execute(string.Format("{0}()","Broker"),scriptScope);
>
> bool validationResult = operations.InvokeMember(broker, "validation",
> paymentInfo, providerManager);
>
> operations.InvokeMember(broker, "check", payment, paymentManager,
> providerManager);
>
>
> Invoke validation method is success, but invoke check method throws
> NotImplementedException with stack trace:
>
> System.NotImplementedException: Method or operation not implemented.
>     в Microsoft.Scripting.Runtime.DynamicOperations.InvokeMember(Object
> obj, String memberName, Boolean ignoreCase, Object[] parameters)
>     в Microsoft.Scripting.Hosting.ObjectOperations.InvokeMember(Object
> obj, String memberName, Object[] parameters)
>
> Looks like 2 paramters called correct, but more than 2 throws exception
> in all cases.
>
> Why it happens?
>
> --
> Best regards,
>   Suhotjuk Pavel Sergeevich
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