Public ReadOnly Property UserToken As Object
	Get

Dim instance As RecognizerUpdateReachedEventArgs
Dim value As Object

value = instance.UserToken

public Object UserToken { get; }

using System;
using Microsoft.Speech.Recognition;
using System.Collections.Generic;
using System.Threading;

namespace SampleRecognition
{
  class Program
  {
    private static SpeechRecognitionEngine recognizer;
    public static void Main(string[] args)
    {

      // Initialize a SpeechRecognitionEngine object and configure its input.
      recognizer = new SpeechRecognitionEngine(new System.Globalization.CultureInfo("en-US"));
      recognizer.SetInputToDefaultAudioDevice();

      // Create the first grammar - Farm.
      Choices animals = new Choices(new string[] { "cow", "pig", "goat" });
      GrammarBuilder farm = new GrammarBuilder(animals);
      Grammar farmAnimals = new Grammar(farm);
      farmAnimals.Name = "Farm";

      // Create the second grammar - Fruit.
      Choices fruit = new Choices(new string[] { "apples", "peaches", "oranges" });
      GrammarBuilder favorite = new GrammarBuilder(fruit);
      Grammar favoriteFruit = new Grammar(favorite);
      favoriteFruit.Name = "Fruit";

      // Attach event handlers.
      recognizer.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);
      recognizer.RecognizerUpdateReached += new EventHandler<RecognizerUpdateReachedEventArgs>(recognizer_RecognizerUpdateReached);

      // Load the farmAnimals grammar
      recognizer.LoadGrammar(farmAnimals);

      // Start recognition.
      recognizer.RecognizeAsync(RecognizeMode.Multiple);
      Console.WriteLine("Starting asynchronous recognition...");
      Console.WriteLine("Farm animals will now be recognized.");
      Thread.Sleep(7000);
      Console.WriteLine();

      //Load the Fruit grammar.
      string activeGrammars = "Farm animals and fruits will now be recognized.";
      recognizer.RequestRecognizerUpdate(activeGrammars);
      recognizer.LoadGrammarAsync(favoriteFruit);
      Console.WriteLine();
      Thread.Sleep(7000);
      Console.WriteLine();

      // Unload the Farm grammar.
      string onlyFruit = "Only fruits will now be recognized.";
      recognizer.RequestRecognizerUpdate(onlyFruit);
      recognizer.UnloadGrammar(farmAnimals);

      // Keep the console window open.
      Console.ReadLine();
    }

    public static void recognizer_RecognizerUpdateReached(object sender, RecognizerUpdateReachedEventArgs e)
    {
      // At the update, describe what the application will recognize next.
      // Display the names and enabled status of the currently loaded grammars.
      Console.WriteLine("Update reached: " + e.UserToken);
      Thread.Sleep(1000);
      
      string qualifier;
      List<Grammar> grammars = new List<Grammar>(recognizer.Grammars);
      foreach (Grammar g in grammars)
      {
        qualifier = (g.Enabled) ? "enabled" : "disabled";
        Console.WriteLine("  Grammar {0} is loaded and is {1}.",
        g.Name, qualifier);
      }
    }
    
    // Write the text of the recognized phrase to the console.
    static void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
    {
      Console.WriteLine("  Speech recognized: " + e.Result.Text);
    }
  }
}