private static void OnSelectedItemsChanged(DependencyObject o, DependencyPropertyChangedEventArgs value)
{
GetSelectionBinder(o)?.Unsubscribe();
var newSelectionBinder = new ListViewSelectionBinder((ListBox)o, (IList?)value.NewValue ?? new List <object>());
SetSelectionBinder(o, newSelectionBinder);
newSelectionBinder.Subscribe();
}
private static void SetSelectionBinder(DependencyObject obj, ListViewSelectionBinder items) => obj.SetValue(SelectionBinderProperty, items);