Bahasa C# : untuk pemula dalam menggunakan text box1 dan text box2

diatas adalah contoh tampilan hasil programnya.
terdapat 2 text box dan beberapa fitur seperti copy, cut, delete, backspace, dan paste.

berikut programnya dalam bahasa c# :

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 coba2
{
    public partial class Form1 : Form
    {
        int status = 0;
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e) //on
        {
            if(status==1)
                textBox1.Text = "Halo";
            if (status == 2)
                textBox2.Text = "Halo";
        }

        private void button2_Click(object sender, EventArgs e) //backspace
        {
            if(status==1)
                     if(textBox1.Text.Length>0)
                    textBox1.Text = textBox1.Text.Substring(0, textBox1.Text.Length - 1);
       
            if(status==2)
                     if(textBox2.Text.Length>0)
                    textBox2.Text = textBox1.Text.Substring(0, textBox2.Text.Length - 1);
        }

        private void button3_Click(object sender, EventArgs e) //delete
        {
            if(status==1)
                textBox1.Clear();
            if(status==2)
                textBox2.Clear();
        }

        private void button4_Click(object sender, EventArgs e) //copy
        {
            if (status == 1)
                Clipboard.SetText(textBox1.SelectedText);
            if (status == 2)
                Clipboard.SetText(textBox2.SelectedText);
        }

        private void button5_Click(object sender, EventArgs e) //paste
        {
            if (status == 1)
                textBox1.SelectedText = Clipboard.GetText();

            if (status == 2)
                textBox2.SelectedText = Clipboard.GetText();
        }

        private void textBox1_MouseClick(object sender, MouseEventArgs e)
        {
            status = 1;
        }

        private void textBox2_MouseClick(object sender, MouseEventArgs e)
        {
            status = 2;
        }

        private void button6_Click(object sender, EventArgs e) //cut
        {
            if (status == 1)
                Clipboard.SetText(textBox1.SelectedText);
                textBox1.SelectedText = string.Empty;
            if (status == 2)
                Clipboard.SetText(textBox2.SelectedText);
                textBox2.SelectedText = string.Empty;
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            System.Diagnostics.Process.Start("Chrome", "http://gekanews.blogspot.com/");
        }
     }
}