[fpc-devel] Managed Types, Undefined Bhaviour

Martok listbox at martoks-place.de
Fri Jun 29 19:15:00 CEST 2018

Am 29.06.2018 um 16:37 schrieb Thorsten Engler:
> The specific functions that implement an interface get baked into the class at the moment when the interface is defined as part of the class. This results in important differences in behaviour, depending if methods (in the class) are defined as virtual or not, and if a derived class redeclares an interface already declared on an ancestor or not.
Okay, then why does the calling convention change matters so much?

Maybe a COM/CORBA thing? COM interface methods can't logically not be virtual,
and the kind of code from my example has always worked (for me!) in FPC.

I am confused. Which sorta ties in to the whole "surprises" thing from before we
hijacked this thread...


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