[fpc-pascal] Implementation through interface delegation not pass to descendant

Jonas Maebe jonas at freepascal.org
Sun Mar 17 23:10:15 CET 2019

On 17/03/2019 15:21, Zamrony P. Juhara via fpc-pascal wrote:
> I repost my question that I post on StackOverflow here in case anyone can answer it. This is my question about implementation
> of interface through delegation. Parent class is concrete class which implement an interface through delegation but descendant of this class is not considered as concrete class of the interface.
> Detail of question can be read here
> https://stackoverflow.com/q/55160258/5855039

While the question is not exactly the same, I think the answers to this 
question are also applicable to yours: 


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