[Lazarus] Setting events - Bug?

Guionardo Furlan guionardo at gmail.com
Fri Oct 2 20:00:18 CEST 2009


I swear I tried this before, but the error was the same.
Now, it worked! Must be the elves who live under my desk!

Thanks

2009/10/2 Mattias Gaertner <nc-gaertnma at netcologne.de>
>
> On Fri, 2 Oct 2009 14:11:00 -0300
> Guionardo Furlan <guionardo at gmail.com> wrote:
>
> > Hello, this is the situation (lazarus 0.9.29 - fpc 2.3.1):
> > TMyClass = class
> >   private
> >     FNotifica: TNotifyEvent;
> >       procedure SetNotifica(const AValue: TNotifyEvent);
> > published
> >   property Notifica: TNotifyEvent read FNotifica write SetNotifica;
> > end;
> >
> > var MyClass: TMyClass;
> >
> > This is OK.
> >
> > On another unit, I have:
> >
> > TAnotherClass = class
> > public
> >   procedure DoNotifica(Sender: TObject);
> >   procedure SetLinks;
> > end;
> >
> > procedure TAnotherClass.SetLinks;
> > begin
> >   MyClass.Notifica:=self.DoNotifica; // <--- This is the problem
>
>  MyClass.Notifica:=@DoNotifica; // <--- This is the solution
>
>
> > end;
> >
> > and, when fpc compile this I get:
> >
> > fopessoas.pp(41,39) Error: Wrong number of parameters specified for
> > call to "NotificaInfo"
> > fopessoas.pp(22,15) Hint: Found declaration:
> > TfPessoas.NotificaInfo(TObject);
> > fopessoas.pp(91) Fatal: There were 1 errors compiling module, stopping
> >
> > Well, what can I do?
>
>
> Mattias
>
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Guionardo Furlan
http://guionardo.blogspot.com
http://www.guionardofurlan.com.br




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