Example

               Form Design

Code

Namespace for voice

using SpeechLib;
 
namespace TextTospeech
{
    publicpartialclassForm1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        privatevoid btnSpeak_Click(object sender, EventArgs e)
        {
 //creating instance of voice
            SpVoice v = newSpVoice();
 //Setting Rate of voice
            v.Rate = 2;
 //calling speak() method of SpVoice class.
            v.Speak(rtxtSpeech.Text, SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak);
        }
    }
}