unselectItem
Requests to unselect an item in the model.
Return
true if this action was supported and no fallback should be tried. This does not mean the item was unselected.
Parameters
position
the position of the item to unselect
Requests to unselect an item in the model.
true if this action was supported and no fallback should be tried. This does not mean the item was unselected.
the position of the item to unselect