[Lazarus] converted Delphi 7 project: add new form not possible?

John Landmesser jmlandmesser at gmx.de
Fri Feb 24 23:26:46 CET 2023

Am 24.02.23 um 23:00 schrieb Werner Pamler via lazarus:
> Am 24.02.2023 um 21:35 schrieb John Landmesser via lazarus:
>> Hi,
>> I tried to extend an existing and converted  Delphi 7 project by adding
>> new form to the converted Delphi 7 project.
>> But that leads to an AV-error if i try to show this new form by code!
> I normally convert Delphi projects manually - it's more work, but I
> know what's happening then... And the manual conversion of your test
> project worked flawlessly.
> But anyway: When trying to use the IDE's Delphi converter I saw two
> problems:
> /1/ The newly added form is named Form1 (type TForm1) and this screws
> up the entire project since these identifiers already exist in the
> Delphi project. I can circumvent this issue when I close the IDE after
> conversion and create the new form only after a restart.
> /2/ But this does not prevent the other issue: The IDE refuses to add
> the new form to the list of auto-created forms, and therefore a call
> of "Form2.Show" in the OnClick handler of your button on Form1 must
> fail. I have no idea what prevents the new form from being
> auto-created. As a work-around I added the line
> "Application.CreateForm(TForm2, Form2);" to the project unit manually
> (and Unit2 to its uses clause). - This way it works.
> Please file a bug report.

Thanks for your investigation.!

I'll file a bug report tomorrow.


John Landmesser

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