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Querying for the implementing object from an interface (1)

Delphi Haven – Interfaces are a bit of a funny feature in native code Delphi — a fairly basic construct, and indeed, one around since Delphi 3, yet implemented in a manner that makes their use needlessly fiddly outside of their original purpose, which was to be a support feature for COM development.* Ever cursed how interface types appear to support inheritance, but don’t really (e.g., a class needs to explicitly implement every interface down the inheritance tree rather than just the bottom one)? Or how you have to be careful about not leaving danging interface references about, since a virtual ...
Favorite? Off-Topic? CR @ 2009-08-22 14:09


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Charles Ardour
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