public void Handle(object sender, EventArgs e)
        {
            listTable.ChangeState(d);
            Bill bill = new Bill();

            bill.Id        = "bill" + DateTime.Now.ToUniversalTime().Subtract(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
            bill.DeskId    = d.Id;
            bill.Status    = 0;
            bill.AccountId = listTable.Account.Id;
            listTable.ListBill.Add(bill);
            listTable.DisplayBookForm(bill);
        }