Re: [Firebird-devel] Reference counters in API - was Re: Providers, yvalve, external engines and object lifecycle

[Vlad K. <hv...@us...>]

> And IInterface is incompatible with our Interface class, cause our don't
> have QueryInterface.

    Yes, and this is sad but don't prevent Delphi to work with our Interface.
 
> So our Interface must be declared as:
> Interface = interface
> ...
> end;
> 
> and not:
> Interface = interface(IInterface)
> ...
> end;

    This is he same ;)

----
The declaration of an interface can specify an ancestor interface. If no ancestor is specified, 
the interface is a direct descendant of IInterface, which is defined in the System unit and is 
the ultimate ancestor of all other interfaces.
----

> Hence you can't make the Firebird objects uses Delphi's RAII.

    Not directly, unfortunately.

Regards,
Vlad