button stop, pause, resume, exit not function when audio played.

[dillmn]

I want to make my program read word by word so i use .playsync();

but why all button cannot functioning? please help me to solve this problem.

below is my code.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using mshtml;
using System.Diagnostics;
using System.Text.RegularExpressions;
using System.Speech.Synthesis;
using System.Data.OleDb;
using System.Windows.Media;
using System.Media;
 
 
namespace MalayVersion
{
    public partial class MalayVersion : Form
    {
        //SpeechSynthesizer reader; //declare the object 
        System.Media.SoundPlayer player = new System.Media.SoundPlayer();
 
 
        public MalayVersion()
        {
            InitializeComponent();
 
            //this.player.LoadCompleted += new AsyncCompletedEventHandler(player_LoadCompleted);
 
            // ---  pronounce word from txtWord  ---
            //connect to database - microsoft access  -- DONE
            //looking for the words  -- DONE
            //take path for the word  -- DONE
            //open file (path)  -- DONE
            //play audio - open file from path(database), read!  -- DONE
        }
 
        private void MalayVersion_Load(object sender, EventArgs e)
        {
            btnStop.Enabled=false;
            webBrowser1.Navigate(txtAddress.Text);
        }
 
        //btnExit
        private void button3_Click(object sender, EventArgs e)
        {
            Environment.Exit(0);
        }
 
        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            System.Threading.Thread.Sleep(1000);
        }
 
        private void btnGo_Click(object sender, EventArgs e)
        {
            //progressBar1.Style = ProgressBarStyle.Marquee;
            //progressBar1.MarqueeAnimationSpeed = 30;
            webBrowser1.Navigate(txtAddress.Text);
        }
 
        // ----  segment the text  ----
        //paragraphs to sentences : find punctuation marks   -- DONE
        //sentences to words : find blank space  -- DONE
        //convert everything into readable text -- DONE
 
        string GetTextRange()
        {
            if (webBrowser1.Document != null)
            {
                IHTMLDocument2 document = webBrowser1.Document.DomDocument as IHTMLDocument2;
                if (document != null)
                {
                    IHTMLBodyElement bodyElement = document.body as IHTMLBodyElement;
                    if (bodyElement != null)
                    {
                        IHTMLTxtRange range = bodyElement.createTextRange();
 
                        if (range != null)
                        {
                            return range.text;
                        }
                    }
                }
            }
            return null;
        }
 
        void GetSentence()
        {
            string source = webBrowser1.DocumentText;
 
            string[] stringSeparators = { "@", "<p>", "</p>", ".", ":", "\r", "\n", "\t", "?", "!", "<br>", "\"" };
            string[] result;
 
            result = source.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);
 
            // Return total elements of the array
            int ttl = result.Length;
 
            for (int i = 0; i < ttl; i++)
            {
                txtSentence.Text = result[i] ;
                //MessageBox.Show(result[i]);
                GetWord();
            }
        }
 
        public static string NumberToWords(int number)
        {
            if (number == 0)
                return "kosong";
 
            if (number < 0)
                return "negatif " + NumberToWords(Math.Abs(number));
 
            string words = "";
 
            if ((number / 1000000) > 0)
            {
                words += NumberToWords(number / 1000000) + " juta ";
                number %= 1000000;
            }
 
            if ((number / 1000) > 0)
            {
                words += NumberToWords(number / 1000) + " ribu ";
                number %= 1000;
            }
 
            if ((number / 100) > 0)
            {
                words += NumberToWords(number / 100) + " ratus ";
                number %= 100;
            }
 
            if (number > 0)
            {
                if (words != "")
                    words += "dan ";
 
                var unitsMap = new[] { "kosong", "satu", "dua", "tiga", "empat", "lima", "enam", "tujuh", "lapan", "sembilan", "sepuluh", "sebelas", "dua belas", "tiga belas", "empat belas", "lima belas", "enam belas", "tujuh belas", "lapan belas", "sembilan belas" };
                var tensMap = new[] { "kosong", "sepuluh", "dua puluh", "tiga puluh", "empat puluh", "lima puluh", "enam puluh", "tujuh puluh", "lapan puluh", "sembilan puluh" };
 
                if (number < 20)
                    words += unitsMap[number];
                else
                {
                    words += tensMap[number / 10];
                    if ((number % 10) > 0)
                        words += " " + unitsMap[number % 10];
                }
            }
 
            return words;
        }
 
        void GetWord()
        {
            string[] delimiterChars = new string[] { " " };
 
            string sentence;
 
            if (txtSentence.Text != "")
            {
                sentence = txtSentence.Text;
 
                string[] words = sentence.Split(delimiterChars,
                     StringSplitOptions.RemoveEmptyEntries);
 
                 int countWord = words.Length;
                //string[] words = sentence.Split(delimiterChars);
 
                 for (int i = 0; i < countWord; i++)
                 {
                     lblWord.Text = words[i];
 
                     Int32 intValue;
                     if (Int32.TryParse(words[i], out intValue))
                     {
                         int numVal = Convert.ToInt32(words[i]);
                         string str = NumberToWords(numVal);
 
                         lblWord.Text = str;                         
                         ReadWord();
                     }
                     else
                     {
                         lblWord.Text = words[i];
                         //MessageBox.Show(words[i]);
                         ReadWord();
                     }
                 }
            }
        }
 
        void ReadWord()
        {
            if (txtSentence.Text != "")    //if text area is not empty 
            {
              /*
               * search word from lblWord.Text in db
               * after found the word, take path for that word in path col
               * open audio file
               * read the word
              */
 
                //set up the connection string
                string ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\User\Documents\Visual Studio 2013\Projects\MalayVersion\MalayDict.accdb";
                //set up the select statement
                string SelectCommand = "SELECT path FROM Word where word = '" + lblWord.Text + "'";
                //set up the connection object&nbsp;using the conn string
                OleDbConnection Connection = new OleDbConnection(ConnectionString);
                //set up the data adapter using the select statement and the connection object
                OleDbDataAdapter Adapter = new OleDbDataAdapter(SelectCommand, Connection);
                //a new empty dataset
                DataSet ds = new DataSet();
                //fill the dataset with a new datatable of all the results
                Adapter.Fill(ds, "Word");//string is the DataTable name, can be anything
                //now, let "Table" point to the datatable with our results
                DataTable Table = ds.Tables["Word"];
                //get the path into string
                String strPath = "";
                strPath = ds.Tables[0].Rows[0]["path"].ToString();
 
                //System.Media.SoundPlayer player = new System.Media.SoundPlayer();
                player.SoundLocation = strPath;
                //player.LoadCompleted += new AsyncCompletedEventHandler(player_LoadCompleted);
                player.Load();
                player.PlaySync();
 
                //player.Open(new Uri(strPath));
                //player.Play();
 
               /* reader = new SpeechSynthesizer();
                reader.Speak(lblWord.Text);
                //reader.SpeakAsync(lblWord.Text);
                reader.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(reader_SpeakCompleted); */
            }
        }
 
 
        private void btnRead_Click(object sender, EventArgs e)
        {
            //GetTextRange();
            btnStop.Enabled = true;
            GetSentence();
        }
 
        private void btnStop_Click(object sender, EventArgs e)
        {
            player.Stop();
        }
 
        private void btnPause_Click(object sender, EventArgs e)
        {
            //player.pause();
        }
 
    }
}