//validate the items, and save them to their files private void SaveBtn_Click(object sender, RoutedEventArgs e) { string[] records = { NameBox.Text, AddressBox.Text, TaxNumberBox.Text, AccountNumberBox.Text }; if (!Validator.ValidateTextArray(records)) { MessageBox.Show("Hibás adatok!", "Hiba", MessageBoxButton.OK, MessageBoxImage.Error); return; } InfoHandler.ownCompany.Name = NameBox.Text; InfoHandler.ownCompany.Address = AddressBox.Text; InfoHandler.ownCompany.TaxNumber = TaxNumberBox.Text; InfoHandler.ownCompany.AccountNumber = AccountNumberBox.Text; if (Validator.ValidateTaxRate(TaxToAddBox.Text) && !InfoHandler.taxRate.TaxRates.Contains(TaxToAddBox.Text)) { InfoHandler.taxRate.TaxRates.Add(TaxToAddBox.Text); } if (Validator.ValidateTaxRate(TaxToDelete.Text)) { InfoHandler.taxRate.TaxRates.Remove(TaxToDelete.Text); } InfoHandler.SaveDatas(); loadDatas(); MessageBox.Show("Sikeres mentés", "Mentve", MessageBoxButton.OK); }