public   partial   class  FormMain : Form
    {
         public  FormMain()
        {
            InitializeComponent();
        }

         private   void  FormMain_Load( object  sender, EventArgs e)
        {
            GetVoices();
        }

         private   void  GetVoices()
        {
            SpVoice voice  =   new  SpVoiceClass();
            ISpeechObjectTokens voices  =  voice.GetVoices( "" ,  "" );
            var list  =   new  List < string > ();
             foreach  (ISpeechObjectToken token  in  voices)
                list.Add(token.GetDescription( 0 ));
            cbSpeechType.DataSource  =  list;
        }

         private   void  btnSpeechText_Click( object  sender, EventArgs e)
        {
            SpeechText( null );
        }

         private   void  SpeechText( string  fileName)
        {
            Cursor  =  Cursors.WaitCursor;
            SpFileStream stream  =   null ;
            SpVoice voice  =   new  SpVoiceClass();
             if  (fileName  +   ""   !=   "" )
            {
                stream  =   new  SpFileStreamClass();
                stream.Open(fileName, SpeechStreamFileMode.SSFMCreateForWrite,  false );
                voice.AudioOutputStream  =  stream;
            }
            voice.Voice  =  voice.GetVoices( "" ,  "" ).Item(cbSpeechType.SelectedIndex);
            voice.Volume  =  tbVol.Value;
            voice.Rate  =  tbSpeechSpeed.Value;
            voice.Speak(tbText.Text, SpeechVoiceSpeakFlags.SVSFDefault);
             if  (fileName  +   ""   !=   ""   &&  stream  !=   null )
                stream.Close();
            Cursor  =  Cursors.Arrow;
        }

         private   void  btnRecordSpeech_Click( object  sender, EventArgs e)
        {
            Cursor  =  Cursors.WaitCursor;
             using  (var saveFileDialog  =   new  SaveFileDialog())
            {
                saveFileDialog.FileName  =   " MyVoice.wav " ;
                saveFileDialog.Filter  =   " Wave (*.wav)|*.wav " ;
                 if  (saveFileDialog.ShowDialog()  ==  DialogResult.OK)
                {
                    SpeechText(saveFileDialog.FileName);
                }
            }
            Cursor  =  Cursors.Arrow;
        }
    }