Op 2011-01-20 13:16, Konnov Dmitry het geskryf:
> 
> is it good practice in method Visitor.AcceptVisitor to check type of
> updated Object
> like this:
> function TMyClass_Delete.AcceptVisitor: Boolean;
> begin
>   result := (Visited is TMyClass)  and (Visited.ObjectState = posDelete);
> end;

Yes, that's very important that you check the Visited class type.


> I don't know, sometimes atleast TMyClassList visits TMyClass_Delete visitor.
> Could it be old tiOpf version issue or still unfixed issue?

I'm not sure, can you give a code example of the AcceptVisitor method.



Regards,
  - Graeme -




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