[Lazarus] A change in LCL require your TCustomForm descendants to have a resource or to use a CreateNew constructor

[michael.vancanneyt at wisa.be]

On Wed, 2 Feb 2011, Paul Ishenin wrote:

> Hello, Lazarus mailing list.
>
> I've changed the behavior of TCustomForm.Create constructor. Now it raises an 
> exception if your TCustomForm descendant has no resource.
>
>
> The behavior is controlled by a global variable *RequireDerivedFormResource* 
> which is set to True for all new applications created by the IDE and is set 
> to False by default. If you for some reason want the old behavior just remove 
> "RequireDerivedFormResource := True" line from .lpr file of your new 
> application.

I think you should do the opposite: The default should be 'True', and users
should disable this explicitly. That would also be Delphi compatible.

There is one caveat: The TForm class itself should not search for a resource, 
only TForm Descendants should do this.

Michael.