[Lazarus] What's this mean?

fluisgirardi at gmail.com fluisgirardi at gmail.com
Sat Sep 11 16:59:06 CEST 2010

I think that isn't needed add this note to release notes. Add
inherited <yourmethodname>; when you is overriding a method is a good
practice of Object oriented programming (to me) in environments that
have a lot of changes in a little time (like development releases of
Lazarus like 0.9.29). I forgot the inherited when overloading some
Loaded procedures some time ago and on some versions it works and on
others not. So when I adopted this practice I don't have more this
kind of problem. This case is isolated because this is my second
TComponentEditor that I do, and the first time that I override the
AfterConstruction procedure.



2010/9/11 Mattias Gaertner <nc-gaertnma at netcologne.de>:
> On Sat, 11 Sep 2010 08:58:08 -0300
> "fluisgirardi at gmail.com" <fluisgirardi at gmail.com> wrote:
>> Hi!
>> Yesterday, after some days without some result with my form, I wrote
>> to Lazarus List as a last chance to the form, because I don't have any
>> idea about this problem and I was desperate. It work's on Lazarus
>> 0.9.28 (and with some versions of 0.9.29, but not with latest
>> revisions) and Delphi. I thought that the problem is with lfm or lrs
>> file. So I compared lrs and lfm files with others form files and
>> nothing wrong. So I compared the code. At some point was wrote:
>> procedure AfterConstruction; override;
>> On others forms that are working, I don't have this procedure. So, I
>> go to svn, to see how, why and when this procedure Is wrote. So
>> reading the code I see that is missing on implementation of procedure
>> AfterConstruction this line:
>> inherited AfterConstruction;
>> So, this problem exists when this procedure is wrote, but some change
>> made in recent Lazarus 0.9.29 revisions broke my "broken" code.
> In every release some virtual methods become more important, some less.
> Do you think a note should be added to the 0.9.29 release notes for
> AfterConstruction?
>> I discover it some hours ago :)
> :)
> Mattias
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