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

namespace SmartDeviceProject1
{
    class MyConvert
    {
        String path = "ENGLISH.txt";

        public String myToDigit(String word)
        {
            StringBuilder sb = new StringBuilder();

            foreach (char c in word.ToLower())
            {
                if (c == 'a' || c == 'b' || c == 'c')
                {
                    sb.Append("2");
                }
                else if (c == 'd' || c == 'e' || c == 'f')
                {
                    sb.Append("3");
                }
                else if (c == 'g' || c == 'h' || c == 'i')
                {
                    sb.Append("4");
                }
                else if (c == 'j' || c == 'k' || c == 'l')
                {
                    sb.Append("5");
                }
                else if (c == 'm' || c == 'n' || c == 'o')
                {
                    sb.Append("6");
                }
                else if (c == 'p' || c == 'q' || c == 'r' || c == 's')
                {
                    sb.Append("7");
                }
                else if (c == 't' || c == 'u' || c == 'v')
                {
                    sb.Append("8");
                }
                else if (c == 'w' || c == 'x' || c == 'y' || c == 'z')
                {
                    sb.Append("9");
                }
            }


            return sb.ToString();
        }

        public String Dictionary(String ffile)
        {
            String match = "no word found";

            using (StreamReader reader = new StreamReader(path))
            {
                StreamReader read = new StreamReader(path);
                StreamWriter write = new StreamWriter("out.txt", true);
                int k = 0;
                String[] dictionary = new String[read.ReadToEnd().Length];
                read.Close();
                ArrayList matches = new ArrayList();
                while ((dictionary[k] = reader.ReadLine()) != null)
                {
                    String sreader = dictionary[k].ToString();
                    String test = myToDigit(sreader);
                    for (int job = 0; job < ffile.Length; job++)
                    {

                        if (test == ffile.Substring(job))
                        {
                            match = sreader;
                            write.WriteLine(sreader);
                        }
                    }
                    k++;
                }
                read.Close();
                reader.Close();
                write.Close();
                return match;
            }
        }

        public void appendDictionary()
        {
        }


        public void chooseDictionary()
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Filter = "Text Files|*.txt";
            if (dlg.ShowDialog() == DialogResult.OK)
            {
                path = dlg.FileName;
                MessageBox.Show(path);
            }
        }

        public void setEnglish()
        {
            path = "ENGLISH.txt";
        }
        public void setSpanish()
        {
            path = "SPANISH.txt";
        }
        public void setFrench()
        {
            path = "FRENCH.TXT";
        }
    }
}

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


namespace SmartDeviceProject1
{
    public partial class Form1 : Form
    {
        MyConvert convert = new MyConvert();
        StringBuilder joe = new StringBuilder();
        String number_input, out2;
        
        public Form1()
        {
            InitializeComponent();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void button9_Click(object sender, EventArgs e)
        {
            joe.Append("1");
            textBox1.Text = joe.ToString();
        }

        private void button7_Click(object sender, EventArgs e)
        {
            joe.Append("3");
            textBox1.Text = joe.ToString();
        }

        private void button8_Click(object sender, EventArgs e)
        {
            joe.Append("2");
            textBox1.Text = joe.ToString();
        }

        private void button12_Click(object sender, EventArgs e)
        {
            joe.Append("4");
            textBox1.Text = joe.ToString();
        }

        private void button11_Click(object sender, EventArgs e)
        {
            joe.Append("5");
            textBox1.Text = joe.ToString();
        }

        private void button10_Click(object sender, EventArgs e)
        {
            joe.Append("6");
            textBox1.Text = joe.ToString();
        }

        private void button6_Click(object sender, EventArgs e)
        {
            joe.Append("7");
            textBox1.Text = joe.ToString();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            joe.Append("8");
            textBox1.Text = joe.ToString();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            joe.Append("9");
            textBox1.Text = joe.ToString();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            joe.Append("0");
            textBox1.Text = joe.ToString();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (joe.Length > 0)
            {
                joe.Remove((joe.Length - 1), 1);
                textBox1.Text = joe.ToString();
            }
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {
            number_input = textBox1.Text;
            out2 = convert.Dictionary(number_input);
            using (StreamReader box = new StreamReader("out.txt"))
            {
                StreamReader locked = new StreamReader("out.txt");
                int a = locked.ReadToEnd().Length;
                ArrayList dogma = new ArrayList();
                String[] boxer = new String[a];
                for (int cobra = 0; cobra < a; cobra++)
                {

                    dogma.Add(box.ReadLine());
                }
                boxer = dogma.ToArray(typeof(string)) as string[];
                textBox2.Text = boxer.ToString();
                box.Close();
                locked.Close();
                FileInfo jump = new FileInfo(@"out.txt");
                jump.Delete();
            }
        }


    }


    }