Listview Control:

  Arrow up or down  will move  the  highlightbar  one position up  or down.
  If no element in the list is highlighted the highlightbar will appear  at
  any cursor press.

  Using Shift with the cursor keys, will move the list either one "page" up
  or one page down.

  Using  control or alt with the cursor keys  will move the highlightbar to
  either the top or the bottom.

  Return will toggle the current (Note)player's state (enabled/disabled).