private void NextNavCommandHandler()
        {
            ResourceListView.MoveCurrentToNext();

            if (ResourceListView.IsCurrentAfterLast == true)
            {
                ResourceListView.MoveCurrentToLast();
            }

            SelectedResource = (ResourceModel)ResourceListView.CurrentItem;
        }
 private void LastNavCommandHandler()
 {
     ResourceListView.MoveCurrentToLast();
     SelectedResource = (ResourceModel)ResourceListView.CurrentItem;
 }