using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace simple_game
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void CheckWin()
        {
            if (!lblTopLeft.Visible && !lblTopRight.Visible && !lblBottomLeft.Visible && !lblBottomRight.Visible)
            {
                MessageBox.Show("Поздравляю! Вы сделали что-то(?)");
                Close();
            }
        }

        private void btnTopLeft_Click(object sender, EventArgs e)
        {
            lblBottomRight.Visible = !lblBottomRight.Visible;
            CheckWin();
        }

        private void btnTopRight_Click(object sender, EventArgs e)
        {
            lblBottomRight.Visible = !lblBottomRight.Visible;
            lblBottomLeft.Visible = !lblBottomLeft.Visible;
            CheckWin();
        }

        private void btnBottomLeft_Click(object sender, EventArgs e)
        {
            lblTopRight.Visible = !lblTopRight.Visible;
            lblBottomRight.Visible = !lblBottomRight.Visible;
            CheckWin();
        }

        private void btnBottomRight_Click(object sender, EventArgs e)
        {
            lblTopLeft.Visible = !lblTopLeft.Visible;
            CheckWin();
        }
    }
}