[Mono-dev] Re: C->C#, exceptions ...

[Robert Jordan]

Hey,

> I modified  your /mono/samples/embed/test-invoke.c
> I call a C# method, that throws an exception.
> 
> 1) Can I obtain a Message (C#: exception.Message) ?
> 2) Can I obtain a type of exception. Smthg like get_type_name( MonObject 
> *) ?
> 
> 
> MonoObject *exception = NULL;
> mono_runtime_invoke (fail, NULL, NULL, &exception);
> if (exception) {
>   //I tried this, but no success:
>               MonoClass *eklass  = mono_object_get_class(exception);
>               if (!eklass) {
>                       printf("eklass==NULL\n");
>               }
>               MonoClassField *Message = 

Exception.Message is a property:

MonoProperty *prop;
MonoMethod *getter;
MonoString *msg;

prop = mono_class_get_property_from_name (eklass, "Message");
getter = mono_property_get_get_method (prop);
msg = mono_runtime_invoke (getter, exception, NULL, NULL);



> mono_class_get_field_from_name(klass, "Message");
>               if (!Message) {
>                       printf("Message==NULL\n");
>               }
>               MonoString *msg;
> 
>               mono_field_get_value(exception, Message, &msg);
> }
> 
> JV


Robert