public static bool SendTo( 
   ref PageView PageView,
   string OrderID,
   string ToMailAddress,
   string FromMailAddress,
   ref Template MailTemplate 
)

class MyPage : System.Web.UI.Page
{
   public void SendMails(ref Dynamicweb.eCommerce.CustomerCenter.CustomerCenterSettings Settings, ref Dynamicweb.Frontend.PageView pageView)
   {
       string addresses = Base.Request("Addresses");
       if (!string.IsNullOrEmpty(addresses))
       {
           string[] emailAddresses = addresses.Split(':');
           string oid = Base.Request("OrderID");

           string SenderMail = Settings.DefaultMailAddress.Trim();
           if (string.IsNullOrEmpty(SenderMail) || Base.ValidateEmail(SenderMail) == false)
           {
               SenderMail = Convert.ToString(Base.GetGs("/Globalsettings/Settings/CommonInformation/Email"));
               if (Base.ValidateEmail(SenderMail) == false)
               {
                   SenderMail = "noreply@dynamicweb-cms.com";
               }
           }
           if (!string.IsNullOrEmpty(oid))
           {
               Order tmpOrder = Dynamicweb.eCommerce.CustomerCenter.OrderManager.GetOrderForCurrentUser(oid);
               if (tmpOrder != null)
               {
                   Dynamicweb.eCommerce.Shops.Shop shop = new Dynamicweb.eCommerce.Shops.Shop(tmpOrder.ShopID);

                   for (int cnt = emailAddresses.GetLowerBound(0); cnt <= emailAddresses.GetUpperBound(0); cnt++)
                   {
                       Dynamicweb.Rendering.Template t = new Dynamicweb.Rendering.Template(Settings.MyOrderDetailsTemplate);
                       Order.SendTo(ref pageView, oid, emailAddresses[cnt], SenderMail, ref t);
                   }
               }
               else
               {
                   return;
               }
           }
       }
   }
}