winform application help required with voice synthesis

Question

hi,

how can i have a stop button on my form to stop the voice synthesis from speaking and then it clears the textbox -- that part i have done but when i add new text to the textbox and hit startReading the errorthing on visual studio make my program stop running everytime ? here is my code so far hope you can understand it someone ?

 

 this is the errorcode it says "An unhandled exception of type 'System.ObjectDisposedException' occurred in System.Windows.Forms.dll"

 

here is my code

 

using System;

using System.Windows.Forms;

using System.Speech.Synthesis;

using System.IO;

using MetroFramework.Forms;

using System.Drawing;

using System.Threading;

using System.Text;

using System.Linq;

namespace TextReader

{

public partial class Form1 : MetroForm

{

public Form1()

{

InitializeComponent();

// list installed voices in a listbox (lstVoices)

//foreach (object obj in ss.GetInstalledVoices())

//{

// var voice = (InstalledVoice)obj;

// lstVoices.Items.Add(voice.VoiceInfo.Name);

//}

}

SpeechSynthesizer ss = new SpeechSynthesizer();

//SpeechRecognizer sr = new SpeechRecognizer();

// Select the US English voice.

private void Form1_Load(object sender, EventArgs e)

{

string[] comArgs = Environment.GetCommandLineArgs();

foreach (string s in comArgs)

{

if (comArgs.Contains("/r"))

{

tbReading.Text = (s);

btnRead.PerformClick();

}

if (comArgs.Contains("/f"))

{

tbReading.Text = (s);

cbVoice.Text = "Female";

btnRead.PerformClick();

}

}

}

private void btnRead_Click(object sender, EventArgs e)

{

if (cbVoice.Text == "Male")

{

ss.SelectVoiceByHints(VoiceGender.Male, VoiceAge.Child);

}

else if(cbVoice.Text == "Female")

{

ss.SelectVoiceByHints(VoiceGender.Female, VoiceAge.Senior);

}

else

{

ss.SelectVoiceByHints(VoiceGender.Male, VoiceAge.Senior);

}

// to find out the speech rate currently set by adding a string

//and call SpeakAsync("With a string of text to test rate")

string rate = cbRate.Text; // set a string from tbRate.Text box

int numberRate = Convert.ToInt32(rate); // convert string to int to be called in the next line

ss.Rate = numberRate; // set the rate of speech

// set the volume

string vol = cbVol.Text;

int numberVol = Convert.ToInt32(vol);

ss.Volume = numberVol;

btnPause.Enabled = true;

btnStop.Enabled = true;

ss.SpeakAsync(tbReading.Text); // Start Speaking the text at the rate previously specified in numberRate

btnRead.Hide();

}

private void btnStopReading_Click(object sender, EventArgs e)

{

tbReading.Clear();

ss.SpeakAsyncCancelAll();

ss.Dispose();

Form1 F1 = new Form1();

F1.Close();

F1.Show();

}

public void pause()

{

ss.Pause();

}

public void resume()

{

ss.Resume();

}

private void btnPause_Click(object sender, EventArgs e)

{

pause();

btnPause.Hide();

btnResume.Show();

}

private void cbRate_DropDownClosed(object sender, EventArgs e)

{

//cbVol.Enabled = true;

}

private void cbVoice_DropDownClosed(object sender, EventArgs e)

{

if(cbVoice.Text == "Female")

{

tbReading.BackColor = Color.Blue;

}

else if (cbVoice.Text == "Male")

{

tbReading.BackColor = Color.DeepPink;

}

else

{

tbReading.BackColor = Color.Crimson;

}

}

private void btnClear_Click(object sender, EventArgs e)

{

}

private void btnPaste()

{

tbReading.Text = Clipboard.GetText();

}

private void tbReading_MouseDoubleClick(object sender, MouseEventArgs e)

{

btnPaste();

}

private void tbReading_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)

{

// Determine whether the key entered is the F1 key. Display help if it is.

if (e.KeyCode == Keys.F1)

{

// Display a pop-up help topic to assist the user.

MessageBox.Show("Enter your first name", "F1 Pressed", MessageBoxButtons.OK);

}

}

private void label2_Click(object sender, EventArgs e)

{

btnPaste();

}

private void btnOpen_Click(object sender, EventArgs e)

{

btnClear.PerformClick();

OpenFileDialog open = new OpenFileDialog();

open.ShowDialog();

tbReading.Text = open.FileName;

StreamReader sr = new StreamReader(open.FileName);

tbReading.Text = sr.ReadToEnd();

sr.Close();

}

private void metroTextButton1_Click(object sender, EventArgs e)

{

resume();

}

public void btnResume_Click(object sender, EventArgs e)

{

// set the volume from cbVol.Text ComboBox

string vol = cbVol.Text;

int numberVol = Convert.ToInt32(vol);

ss.Volume = numberVol;

int currVol = numberVol;

string rate = cbRate.Text; // set a string from tbRate.Text box

int numberRate = Convert.ToInt32(rate); // convert string to int to be called in the next line

ss.Rate = numberRate; // set the rate of speech

btnPause.Enabled = true;

btnStop.Enabled = true;

ss.SpeakAsync(tbReading.Text); // Start Speaking the text at the rate previously specified in numberRate

btnRead.Hide();

ss.Resume();

btnResume.Hide();

btnPause.Show();

if(ss.Volume != currVol)

{

}

}

private void cbVol_TextChanged(object sender, EventArgs e)

{

}

private void cbVol_TextChanged_1(object sender, EventArgs e)

{

//// set the volume from cbVol.Text ComboBox

//string vol = cbVol.Text;

//int numberVol = Convert.ToInt32(vol);

//ss.Volume = numberVol;

//int currVol = numberVol;

//ss.Volume = currVol;

}

}

}