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Delphi virtual constructors: example of the “Factory” design pattern (via: Stack Overflow)

The Wiert Corner – I bumped into the below answer that I gave a while (what is 4 years in a developer’s life ) on StackOverflow. It is about Delphi Design Patterns. Sepcifically the Factory Pattern, and explains how virtual constructors implement it. They are one of the 3 corner stones on which the component based Delphi form designer and object inspector are built: Virtual constructors Properties (events are just a special form of property) Run-Time Type Information. So here it goes: Only a minority of the Delphi developers knows that every Delphi developer uses a Factory pattern (delphi.about.com has ...
Favorite? Off-Topic? jpluimers @ 2013-07-18 07:00


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