TisKFC/KFC/windows/menu.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace KFC.windows
{
    public partial class menu : Window
    {
        public int sum = 0;
        public string name = "";
        public menu()
        {
            InitializeComponent();
        }
        public int NewSum(int sum, int price)
        {
            return (sum + price);
        }

        public void NewProd(string prodName)
        {
            name = Environment.NewLine + prodName;
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            TabMenu.Visibility = Visibility.Hidden;
            tbfin.Visibility = Visibility.Visible;
            result.Visibility = Visibility.Visible;

            result.Text = "Итого: " + Convert.ToString(sum);
        }

        private void zhefburger_Click(object sender, RoutedEventArgs e)
        {
            sum = NewSum(sum, 170);
            NewProd("\nШефбургер\t\t\t170 р.");
            tbfin.Text += name;
        }

        private void zinger_Click(object sender, RoutedEventArgs e)
        {
            sum = NewSum(sum, 130);
            NewProd("\nЗингер\t\t\t\t130 р.");
            tbfin.Text += name;
        }

        private void ai_twister_Click(object sender, RoutedEventArgs e)
        {
            sum = NewSum(sum, 55);
            NewProd("\nАй-твистер\t\t\t55 р.");
            tbfin.Text += name;
        }

        private void deluxe_twister_Click(object sender, RoutedEventArgs e)
        {
            sum = NewSum(sum, 189);
            NewProd("\nТвистер Де Люкс\t\t\t189 р.");
            tbfin.Text += name;
        }

        private void pirog_Click(object sender, RoutedEventArgs e)
        {
            sum = NewSum(sum, 55);
            NewProd("\nПирожек с вишней\t\t55 р.");
            tbfin.Text += name;
        }
    }
}