Clicker/Cliker/MainWindow.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.Navigation;
using System.Windows.Shapes;

namespace Cliker
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        long point = 1;
        static int click = 1;
        double sol_b1 = 25;
        double sol_b2 = 50;
        double sol_b3 = 75;
        double sol_b4 = 100;

        public MainWindow()
        {
            InitializeComponent();
        }

        public void Update()
        {
            OYIP.Content = point;
            YPC.Content = click;
            Price_IIPF.Content = (sol_b1).ToString();
            Price_IIPS.Content = (sol_b2).ToString();
            Price_IIPE.Content = (sol_b3).ToString();
            Price_IIPT.Content = (sol_b4).ToString();
        }

        private void Image_MouseDown(object sender, MouseButtonEventArgs e)
        {
            point += click;
            Update();
        }

        private void Upgrade4(object sender, RoutedEventArgs e)
        {
            if (point >= (sol_b1))
            {
                point -= Convert.ToInt64(Math.Round(sol_b1));
                click += 4;
                Update();
            }
        }

        private void Upgrade6(object sender, RoutedEventArgs e)
        {
            if (point >= (sol_b2))
            {
                point -= Convert.ToInt64(Math.Round(sol_b2));
                click += 6;
                Update();
            }
        }

        private void Upgrade8(object sender, RoutedEventArgs e)
        {
            if (point >= (sol_b3))
            {
                point -= Convert.ToInt64(Math.Round(sol_b3));
                click += 8;
                Update();
            }
        }

        private void Upgrade10(object sender, RoutedEventArgs e)
        {
            if (point >= (sol_b4))
            {
                point -= Convert.ToInt64(Math.Round(sol_b4));
                click += 10;
                Update();
            }
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Application.Current.Shutdown();
        }
    }
}