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If inheritance is a prime reason for OOP, then why...
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Programmation Orientée Object
Divers
Thread ID:
00171748
Message ID:
00171780
Vues:
31
>Why does VFP override the methods by default? In a team environment, this can cause many problems. Eventually everyone will execute our macro to "DODEFAULT()" when adding code to methods of our classes without having to think about it.
>
>As one adds code to a class in Delphi, it automatically adds a INHERIT keyword. The developer must make a conscious effort to override the parent class code. Doesn't this make more sense? If the purpose of developing classes is for code re-use and inheritance, then VFP should not override by default. This would also be useful when using third party classes...
>
>Is this reasonable, or is there a method to this madness?

It was designed that way so you wouldn't have to think about it. DODEFAULT() and the Scope Resolution Operator (::) are provided to access parent code.

Subclassing objects targets more the reuse of the entire class rather than just method code.

Dave
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