BestFriend.MainPage.StartListenMode C# (CSharp) Метод

        private async void StartListenMode()
        {
            
            while (listening)
            {
                string spokenText = await ListenForText();
                while (string.IsNullOrWhiteSpace(spokenText) && listening)
                    spokenText = await ListenForText();

                if (spokenText.ToLower().Contains("stop listening"))
                {
                    speechRecognizer.UIOptions.AudiblePrompt = "Are you sure you want me to stop listening?";
                    speechRecognizer.UIOptions.ExampleText = "Yes/No";
                    speechRecognizer.UIOptions.ShowConfirmation = false;
                    //SpeakAsync(speechRecognizer.UIOptions.AudiblePrompt);
                    var result = await speechRecognizer.RecognizeWithUIAsync();

                    if (!string.IsNullOrWhiteSpace(result.Text) && result.Text.ToLower() == "yes")
                    {
                        await SetListening(false);
                    }
                }

                if (listening)
                {
                    await SendMessage(spokenText, true);
                }
            }
                
        }