public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            var item = GetItemAt(indexPath);
            var selectionChangedArgs = MvxSimpleSelectionChangedEventArgs.JustAddOneItem(item);

            var handler = SelectionChanged;

            if (handler != null)
            {
                handler(this, selectionChangedArgs);
            }
        }
        public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            if (ItemsSource == null)
            {
                return;
            }

            var item = ItemsSource[indexPath.Row];
            var selectionChangedArgs = MvxSimpleSelectionChangedEventArgs.JustAddOneItem(item);

            var handler = SelectionChanged;

            if (handler != null)
            {
                handler(this, selectionChangedArgs);
            }
        }