public void InvoiceListNew(List <ISaleItem> list, IBuyer buyer, IVendor vendor, IInvoice invoice)
{
InvoiceDocument i = new InvoiceDocument();
//i.InvoiceOrder(invoice); // wyjście do numeracji, po odczycie z bazy danych
i.InvoiceVendor(vendor);
i.InvoiceBuyer(buyer);
i.InvoiceListData(list);
i.Show();
}
private void button1_Click(object sender, EventArgs e)
{
InvoiceDocument inv = new InvoiceDocument();
inv.Show();
}