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The (Open) Case Of Dangling Pointers (Invalid Object References) In Delphi

Zarko Gajic – I guess you might not know what the term “dangling pointer” means, but if you have ever done some more complex programming in Delphi (where you do not only put controls on a form and handle a few events – rather you create and use objects at run-time) you might have experienced weird Access Violations when you tried accessing properties of an object you though is “Assigned” (or not nil). The term dangling pointer refers to a pointer that is not nil, but does not point to valid data (i.e. points to an invalid memory address). Still confused? You’re not alone! Take a look at the following piece ...
Favorite? Off-Topic? zarkogajic @ 2013-01-30 15:57


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