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static void Main(string[] args)       {           if (string.IsNullOrEmpty(CLIENT_ID) || string.IsNullOrEmpty(CLIENT_SECRET))           {               Console.WriteLine("You must obtain a Client ID and Secret in order to use this application. Please visit Azure DataMarket at https://datamarket.azure.com/developer/applications to get one.\n");               Console.ReadKey();               return;           }

           // Create the object to retrieve spoken streams.           SpeechSynthesizer speech = new SpeechSynthesizer(CLIENT_ID, CLIENT_SECRET);           speech.SpeakCompleted += new EventHandler<SpeechEventArgs>(speech_SpeakCompleted);           speech.AudioFormat = SpeakStreamFormat.Wave;           speech.AudioQuality = SpeakStreamQuality.MaxQuality;

           Console.WriteLine("Retrieving the list of supported languages...");           try           {               string[] languages = speech.GetLanguages();

               Console.WriteLine("Found {0} supported languges:", languages.Length);               foreach (var lang in languages)               {                   Console.WriteLine("{0} - {1}", lang, CultureInfo.GetCultureInfo(lang).DisplayName);               }           }           catch (Exception ex)           {               Console.WriteLine("Error during the request: {0}", ex.Message);           }

           Console.WriteLine("\n");

           bool quit = false;           while (!quit)           {               try               {                   Console.Write("Insert the text to be spoken (empty to terminate): ");                   string text = Console.ReadLine();                   if (string.IsNullOrWhiteSpace(text))                   {                       quit = true;                       continue;                   }

                   Console.Write("Specify the text language (empty to terminate): ");                   string language = Console.ReadLine();                   if (string.IsNullOrWhiteSpace(language))                   {                       quit = true;                       continue;                   }

                   Console.Write("Submitting request... ");

                   // Retrieve the stream of wave-file speaking the passed-in text in the desired language.

                   //using (Stream stream = speech.GetSpeakStream(text, language))                   //{                   //    var length = stream.Length;                   //    using (SoundPlayer player = new SoundPlayer(stream))                   //        player.PlaySync();                   //}

                   // Speak the passed-in text in the desired language, in an asynchronous way.                   // When this operation completes, the speech_SpeakCompleted event is raised.                   speech.SpeakAsync(text, language);               }               catch (Exception ex)               {                   Console.WriteLine("Error during the request: {0}", ex.Message);               }

               Console.WriteLine("\n");           }       }

       private static void speech_SpeakCompleted(object sender, SpeechEventArgs e)       {           if (e.Error != null)               Console.WriteLine("Erorr: " + e.Error.Message);       }   }

/// <summary>     /// Initializes a new instance of the <strong>SpeechSynthesizer</strong> class, using the specified Client ID and Client Secret and the desired language.     /// </summary>     /// <param name="clientID">The Application Client ID.     /// </param>     /// <param name="clientSecret">The Application Client Secret.     /// </param>     /// <param name="language">A string representing the supported language code to speak the text in. The code must be present in the list of codes returned from the method <see cref="GetLanguages"/>.</param>     /// <remarks>You must register your application on Azure DataMarket, https://datamarket.azure.com/developer/applications, to obtain the Client ID and Client Secret needed to use the service.     /// </remarks>     /// <seealso cref="ClientID"/>     /// <seealso cref="ClientSecret"/>     /// <seealso cref="Language"/>     public SpeechSynthesizer(string clientID, string clientSecret, string language)     {         ClientID = clientID;         ClientSecret = clientSecret;         Language = language;         AudioFormat = SpeakStreamFormat.Wave;         AudioQuality = SpeakStreamQuality.MinSize;     }

     #region Get Languages

     /// <summary>     /// Retrieves the languages available for speech synthesis.     /// </summary>     /// <returns>A string array containing the language codes supported for speech synthesis by <strong>Microsoft Translator Service</strong>.</returns>     /// <exception cref="ArgumentException">The <see cref="ClientID"/> or <see cref="ClientSecret"/> properties haven't been set.</exception>     /// <remarks><para>This method will block until the array is returned. If you want to perform a non-blocking request to be notified when the operation is completed, use the <see cref="GetLanguagesAsync"/> method instead.</para>     /// <para>For more information, go to http://msdn.microsoft.com/en-us/library/ff512415.aspx.     /// </para>     /// </remarks>     /// <seealso cref="GetLanguagesAsync"/>     public string[] GetLanguages()     {         // Check if it is necessary to obtain/update access token.         this.UpdateToken();

         string uri = LANGUAGES_URI;         HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(uri);         httpWebRequest.Headers.Add(AUTHORIZATION_HEADER, headerValue);

         if (Proxy != null)             httpWebRequest.Proxy = Proxy;

         using (WebResponse response = httpWebRequest.GetResponse())         {             using (Stream stream = response.GetResponseStream())             {                 DataContractSerializer dcs = new DataContractSerializer(typeof(string[]));                 string[] results = (string[])dcs.ReadObject(stream);

                 return results;             }         }     }