public static PriceInfo GetDoublePriceInfo( 
   double Price,
   Currency Curr 
)

class MyPage : System.Web.UI.Page
{
    private Dynamicweb.eCommerce.Products.Product product;

    private void Page_Load(System.Object sender, System.EventArgs e)
    {
        product = (Dynamicweb.eCommerce.Products.Product)Session["Ecom.Backend.Product"];
    }

    public Dynamicweb.eCommerce.Prices.PriceInfo GetCachedPrice(Dynamicweb.eCommerce.Discounts.Discount discount)
    {
        bool vatIncludedInDB = Base.ChkBoolean(Base.GetGs("/Globalsettings/Ecom/Price/PricesInDbIncludesVAT"));

        double productAmount = 0;
        if (vatIncludedInDB)
        {
            productAmount = product.Price.PriceWithVAT;
        }
        else
        {
            productAmount = product.Price.PriceWithoutVAT;
        }
        productAmount -= discount.get_Value(vatIncludedInDB, Discount.DiscountCalculationType.DiscountCalculationAmount, false);

        Dynamicweb.eCommerce.Prices.PriceInfo cachedPrice = Dynamicweb.eCommerce.Prices.Price.GetDoublePriceInfo(productAmount, Dynamicweb.eCommerce.Common.Context.Currency);
        return cachedPrice;
    }
}