Metodlarla Dört işlem Yapma

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

    

        public int topla(int s1, int s2)

        {

            int sonuc;

           sonuc = s1 + s2;

           return sonuc;

        }

         public  int cıkar(int s1, int s2)

        {

            return s1 - s2;

        }

         public int carp(int s1, int s2)

        {

            return s1 * s2;

        }

          public int bol(int s1, int s2)

        {

            return s1 /s2;

        }

        private void button3_Click(object sender, EventArgs e)

        {

         textBox3 .Text = carp (Convert.ToInt16(textBox1.Text), Convert.ToInt16(textBox2.Text)).ToString ();

      

        }

        private void Form1_Load(object sender, EventArgs e)

        {

        }

        private void label3_Click(object sender, EventArgs e)

        {

        }

        private void button1_Click(object sender, EventArgs e)

        {

           textBox3 .Text = topla(Convert.ToInt16(textBox1.Text), Convert.ToInt16(textBox2.Text)).ToString ();

        }

        private void button2_Click(object sender, EventArgs e)

        {

           textBox3 .Text = cıkar(Convert.ToInt16(textBox1.Text), Convert.ToInt16(textBox2.Text)).ToString ();

        }

        private void button4_Click(object sender, EventArgs e)

        {

              textBox3 .Text =bol (Convert.ToInt16(textBox1.Text), Convert.ToInt16(textBox2.Text)).ToString ();

    }

        }

        }

Kodun Çalıştırılmış Hali