[SerializableAttribute()] 
public class Order : Dynamicweb.eCommerce.Prices.IWithPrice  

class MyPage : System.Web.UI.Page
{
   private Dynamicweb.eCommerce.Cart.ModuleSettings _settings;
   public Dynamicweb.eCommerce.Orders.Order GetOrder()
   {
       Dynamicweb.eCommerce.Orders.Order order = Dynamicweb.eCommerce.Common.Context.Cart;

       //Empty cart if no orderlines exists
       if (order.OrderLines.CountOnlyProducts == 0)
       {
           Dynamicweb.eCommerce.Frontend.Cart.CartCatch.ClearCart();
           return null;
       }
       else
       {
           //Set country selection
           if (order.ShippingCountrySelection != _settings.CountryForShipping || order.PaymentCountrySelection != _settings.CountryForPayment)
           {
               order.ShippingCountrySelection = _settings.CountryForShipping;
               order.PaymentCountrySelection = _settings.CountryForPayment;
               order.));
           }
           return order;
       }
   }
}