On 10/03/2006, at 4:19 AM, Guyren Howe wrote:
But for those keeping score at home: no-one has offered an example
of class extension, other than the couple of corner cases I cited,
where the results are clearer/easier to write/easier to maintain/
anything else convincing, using method overriding rather than Events.
Maybe I missed it - did someone offer such an example proving Events
are better?
Yes, I'm seriously interested (I too am always trying to increase my
education).
So for now, my assertion stands: Events are just better. You should
use Events basically for all your class extension.
So you shouldn't write code that can be
a) easily understood by someone who also works in other OO languages
b) copied to other OO languages?
Maybe most professional RB programmers are sufficiently wedded to RB
to not consider this an issue.
I would have to see some very good reasons for why Events are better,
to abandon the flexibility of using virtual methods (outside of their
use in Windows and controls, where they are satisfying a different
pattern).
Andy
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