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Weak interface references

Delphi sorcery – We all know how painful it can be working with interfaces and reference counting when it comes to circular or cross references. Vincent Parrett wrote about that a while ago and presented a nice solution.The only disadvantage about his solution was the special class type (TWeakReferencedObject) you have to inherit from to use a weak reference to. What if you want to use a weak reference to something that already exists and that you cannot change?That is where my idea comes in.The Weak<T> type supports assignment from and to T and makes it usable as if you had a variable of T. It has the ...
Favorite? Off-Topic? noreply@blogger.com @ 2012-06-03 18:07


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