[Lazarus] ListView.ScrollBy not working?

[Rolf Wetjen(rolf.wetjen@mail.de)]

Does anybody know how to scroll a listview?
Seems that ListView.ScrollBy isn't working, at least not for Windows. 
There's no TCustomListView.ScrollBy procedure and of course the default 
TWinControl implementation doesn't send a LVM_SCROLL message to the MS 
ListView control.
Probably a bug?

Rolf
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