how to serialize a class implements two interfaces who have same based interface

Question

I am trying use protobuf v2 to serialize a class A implements interfaces B and C. And both B and C derived from D.

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[ProtoBuf.ProtoContract]
[ProtoBuf.I         


        

Answer 1

Interfaces are not really the same kind of "derived" (inheritance) as class inheritance. While basic interface support is provided, this is not a scenario that protobuf-net currently supports.

As to whether it could support it - that would take some thought. I would suggest logging a request, here.