[racket] Scroll events in list-box%

On Wed, Jul 28, 2010 at 18:21, Laurent <laurent.orseau at gmail.com> wrote:

> Hi,
>
> I can see there are scroll events and an `on-scroll' method for canvas%,
> but not for list-box% or list-control%.
> Is there a way to know when a scrollbar is moved in a list-box%?
>
> I need this to synchronize the scrolling of several list-boxes.
>
>
And a related question:
On Ubuntu (but not on Windows), scrollbars always appear in list-boxes, even
when there is enough room to show everything and even when the initial
height allows to show everything.
Is there a way to hide them?
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