On Tue, 16 Aug 2005 23:11:51 +0200
Marc Weustink <[EMAIL PROTECTED]> wrote:
> Mattias Gaertner wrote:
> > On Mon, 15 Aug 2005 00:09:37 +0200
> > Marc Weustink <[EMAIL PROTECTED]> wrote:
> >
> >
> >>Mattias Gaertner wrote:
> >>
> >>>On Sat, 13 Aug 2005 23:20:05 +0200
> >>>Tom Verhoeff <[EMAIL PROTECTED]> wrote:
> >>>
> >>>
> >>>
> >>>>On Sat, Aug 13, 2005 at 01:20:49PM +0200, Mattias Gaertner wrote:
> >>>>
> >>>>
> >>>>>On Thu, 11 Aug 2005 11:01:17 +0200
> >>>>>Marc Weustink <[EMAIL PROTECTED]> wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Alexander Todorov wrote:
> >>>>>>
> >>>>>>
> >>>>>>>>2. Why can't multiple forms of the "same name" be created?
> >>>>>>>> Delphi has no problems with this.
> >>>>>>>
> >>>>>>>
> >>>>>>>In delphi the two forms are not with the exact same name. At work
> >we >>>>>>have an application with many forms that can be opened many
> >times. >>>>>>When TfMyForm is opened for the firms time its name is
> >fMyForm >>>>>>(suppose you named it this way in OI). The second time its
> >opened >>>>>>(e.g. obj := TfMyForm.Create) it has name something like
> >fMyForm_1, >>>>>>the third fMyForm_2 and so on.
> >>>>>>>I think when creating form dynamically Delphi automatically adds
> >>>>>>>numbers after the name to prevent errors. This is at least what i
> >>>>>>>have seen.
> >>>>>>
> >>>>>>DUH.... I've never noticed this. I tried it with Delphi 6 and
> >indeed, >>>>>the name is postfixed with _i
> >>>>>>
> >>>>>>Think we need to implement that.
> >>>>>
> >>>>>Implemented.
> >>>>
> >>>>I updated my Lazarus to rev. 7497 and rebuilt all. But the attached
> >>>>project still fails for me. There are two buttons: each create an
> >>>>instance of TMyForm. That form shows its name. The second creation
> >>>>still fails.
> >>>>
> >>>>Can someone confirm that the attached project works on another
> >platform >>>(I use powerpc-darwin)?
> >>>>
> >>>>In my application-being-ported-from-Delphi, I do notice some
> >difference, >>>because the error message Duplicate Name, now shows a
> >postfix _1 >>>(but not on all failing occasions).
> >>>
> >>>
> >>>You create the two forms with Owner Self (=MainForm).
> >>>This is not allowed. The components of a form must have unique names or
> >>>none.
> >>>
> >>>Create with Owner 'Application'. This will auto rename the forms.
> >>
> >>This is not the same as in delphi.
> >>There names are fixed in TReader.ReadRootComponent which uses
> >>FindGlobalComponent (which looks in Screen.Forms). This is independent
> >>of the owner of the form
> >
> >
> > I don't know, why the Screen forms must have separate names, but
> > nevertheless: implemented.
>
> Separate names ????
Sorry. I meant unique names.
> All created froms are "registered" with the screen object, so it knows
> all forms and thus all names.
True.
Is there any reason, why all forms must have unique names?
Mattias
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