Chunk

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 Chunk
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            char ch = e.KeyChar;

            if (!char.IsDigit(ch) && ch != 8)
            {
                e.Handled = true;
            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int a, b, c, d, f, h;
            a = Convert.ToInt32(Chunkx.Text);
            b = Convert.ToInt32(Chunkz.Text);
            c = a / 16 * 16;
            d = b / 16 * 16;
            f = c + 15;
            h = d + 15;


            labelX.Text = "X = " + (labelX.Text = Convert.ToString(f) + ("   Z = ") + (labelX.Text = Convert.ToString(d)));

            labelz.Text = "X = " + (labelz.Text = Convert.ToString(f) + ("   Z = ") + (labelz.Text = Convert.ToString(h)));

            label6.Text = "X = " + (label6.Text = Convert.ToString(c) + ("   Z = ") + (label6.Text = Convert.ToString(h)));

            label4.Text = "X = " + (label4.Text = Convert.ToString(c) + ("   Z = ") + (label4.Text = Convert.ToString(d)));



            }

        private void button2_Click(object sender, EventArgs e)
        {
            Chunkx.Clear();
            Chunkz.Clear();
            labelX.Text = "";
            labelz.Text = "";
            label6.Text = "";
            label4.Text = "";
        }

        private void Chunkz_TextChanged(object sender, EventArgs e)
        {

        }

        private void Chunkz_KeyPress(object sender, KeyPressEventArgs e)
        {
            char ch = e.KeyChar;

            if (!char.IsDigit(ch) && ch != 8)
            {
                e.Handled = true;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }
    }
}