[Lazarus] Bugreport 0012403

[Mattias Gaertner]

On Fri, 24 Oct 2008 10:13:09 +0200
Bogusław Brandys <brandys at o2.pl> wrote:

> Hi,
> 
> bugreport http://bugs.freepascal.org/view.php?id=12403
> 
> In radiogroup.inc there is a method called procedure 
> TCustomRadioGroup.UpdateItems;
> 
> inside is created strange FHiddenButton of class TRadioButton.
> It of course adds to the list of controls of TRadioGroup even if it's 
> hidden for use usage. I don't know what it is, presumably some hack.
> 
> Please explain what is the purpose of this hidden Tradiobutton ?

The purpose was to support ItemIndex=-1 on gtk1.
You can remove the hidden button, when the gtk intf can live without.

Mattias