This new list/listview custom class has its own backgrounds and pens setables from mui prefs with NListviews.mcp !  It doesn't use the same way to handle multiselection with mouse and keys than standard List/Listview.
C
You can horizontally scroll with cursor keys, or going on the right and left of the list while selecting with the mouse. (When there is no immediate draggin stuff active...) Try just clicking on the left/right borders !
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ruGive some feedback about it ! :-)
rb(masson@iut-soph.unice.fr)