Motif/Xt: Dynamically resize the visible item count of an XmList

[Chris Sorenson]

>

> Tried it out, but it not yield the desired result, unfortunately.
>
> The list widget gets resized but it does not update the visible item
> count property.
>
> I need to somehow catch the resize event and update it manually, but
> I don't find any suitable callback.
>
Hrm, do you have XmNvisualPolicy set to XmVARIABLE on the scrolled window?