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Delphi interfaces on binary level

The Programming Works – An interface reference in Delphi is a pointer to pointer to an interface method table (IMT). That follows the COM specifications and is a good starting point to understand what Delphi interfaces are on binary level. Delphi interfaces can be made 100% compatible with COM specifications, but that is not necessary – it is also possible to implement “light COM-like” interfaces. Interface methods in Delphi are implemented as object’s methods, so let us have a quick look on the Delphi objects on binary level. Each Delphi 2009 object instance have 2 necessary fields, 4 bytes ...
Favorite? Off-Topic? Serg @ 2010-07-06 09:56


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