private void calcFinalTotals_Click(object sender, EventArgs e) { FinalTotals popup = new FinalTotals(); popup.calcFinalTotals(listOwnerArray[0], listOwnerArray[1], listOwnerArray[2]); foreach (List list in listOwnerArray) { popup.outputReceipts(list); popup.outputListTotals(list); } popup.outputFinalTotals(); popup.ShowDialog(); }