I am afraid to say this has quite a simple answer.
TypeInfo (and with that vtables used as part of classes), do not cross
the dll boundary (other platforms things mostly work).
Which means, can't do what you are wanting I'm afraid.
It is an implementation issue that we REALLY REALLY REALLY ne
I'm developing a plugin system for a D program.
I have a complex class hierarchy which will be complied into our
executable, and I want
third parties to be able to further extend it with their own DLLs
- subject to implementing an API present in the most derived
class - which will be provided
