/// <summary> /// 切換上一頁按鈕事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void ClickPreviousPageButton(object sender, EventArgs e) { _customerForm.UpdateNowPage(_formData, _previousPageButton.Name); SetMealButtonOption(); SetPageButtonEnable(); SetPageButtonEnable(); _pageLabel.Text = _customerForm.SetPageLabelText(_formData.nowPage, _formData.totalPage); }