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 WindowsFormsApp2
{
    public partial class Form1 : Form
    {
        Double value = 0;
        string operacja = "";
            bool operacia_press = false;
        public Form1()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {


        }

        private void button1_Click(object sender, EventArgs e)
        {
            Wynik.Text = "0";

        }

        private void button16_Click(object sender, EventArgs e)
        {

        }

        private void button12_Click(object sender, EventArgs e)
        {

        }

        private void plusMinus_Click(object sender, EventArgs e)
        {

        }

  

        private void button_Click(object sender, EventArgs e)
        {
            
            
            Button b = (Button)sender;
            Wynik.Text = Wynik.Text + b.Text;
        }


        private void operacja_click(object sender, EventArgs e)
        {
            Button b = (Button)sender;
            operacja = b.Text;
            value = Double.Parse(Wynik.Text);
            operacia_press = true;
        }

        private void button17_Click(object sender, EventArgs e)
        {
            switch(operacja)

                case "+":
                 Wynik.Text = value + Double.Parse(Wynik.Text)).ToString();
                break;




            }
    }
}