Re: QT5 ListBox Problem

[Benoît Minisini <benoit.minisini@xxxxxxxxxxxxxxxx>]

Le 28/02/2026 à 06:25, Lee a écrit :
> On 2/27/26 7:19 PM, Benoît Minisini wrote:
> > Le 27/02/2026 à 21:25, Lee a écrit :
> > > > Does the problem occur with the master branch?
> > >
> > > Yes, the issue persists on 3.21.99 409093b (master) with all three of 
> > > those GUI toolkits.
> > >
> > > It occurs only if ListBox.ScrollBar is set to include Horizontal with 
> > > either Scroll.Horizontal or Scroll.Both.
> >
> > I asked because I can't reproduce the problem. Can you send me a 
> > little project that shows the bug?
>
> I've discovered that the issue occurs if ListBox.Scrollbar is set to 
> include Scroll.Horizontal *prior* to ListBox.List being populated (which 
> would include setting it via the IDE's property sheet). A project that 
> shows the bug is very simple.
>
> Merely add a ListBox to a form, set its Scrollbar property to None so it 
> can be controlled programmatically, and then use just this code in 
> FMain.class:
>
> [code]
> Public Sub Form_Open()
>
>      ' ListBox1.ScrollBar = Scroll.Both ' Setting it here causes the issue
>      ListBox1.List = ["One", "Two", "Three", "Four", "Five", "Six", 
> "Seven", "Eight", "Nine", "Ten"]
>      ' ListBox1.ScrollBar = Scroll.Both ' Setting it here does not cause 
> the issue
>
> End
> [/code]

Thanks, it should be fixed in master now.

Regards,

--
Benoît Minisini.