LoadGrammarCompletedEventArgs クラス

定義

public ref class LoadGrammarCompletedEventArgs : System::ComponentModel::AsyncCompletedEventArgs

public class LoadGrammarCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs

type LoadGrammarCompletedEventArgs = class
    inherit AsyncCompletedEventArgs

Public Class LoadGrammarCompletedEventArgs
Inherits AsyncCompletedEventArgs

継承

Object

EventArgs

AsyncCompletedEventArgs

LoadGrammarCompletedEventArgs

例

次の例では、共有音声認識エンジンを作成し、特定の単語を認識し、自由なディクテーションを受け入れるための 2 種類の文法を作成します。 この例では、作成されたすべての文法を認識エンジンに非同期的に読み込みます。 認識エンジン LoadGrammarCompleted とイベントのハンドラーは、認識の結果と SpeechRecognized 、認識の実行に使用された文法を報告します。

using System;  
using System.Speech.Recognition;  

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

      // Initialize a shared speech recognition engine.  
      recognizer = new SpeechRecognizer();  

        // Add a handler for the LoadGrammarCompleted event.  
        recognizer.LoadGrammarCompleted +=  
          new EventHandler<LoadGrammarCompletedEventArgs>(recognizer_LoadGrammarCompleted);  

        // Add a handler for the SpeechRecognized event.  
        recognizer.SpeechRecognized +=  
          new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);  

        // Add a handler for the StateChanged event.  
        recognizer.StateChanged +=  
          new EventHandler<StateChangedEventArgs>(recognizer_StateChanged);  

        // Create the "yesno" grammar and build it into a Grammar object.  
        Choices yesChoices = new Choices(new string[] { "yes", "yup", "yah}" });  
        SemanticResultValue yesValue =  
            new SemanticResultValue(yesChoices, (bool)true);  
        Choices noChoices = new Choices(new string[] { "no", "nope", "nah" });  
        SemanticResultValue noValue =  
            new SemanticResultValue(noChoices, (bool)false);  
        SemanticResultKey yesNoKey =  
            new SemanticResultKey("yesno", new Choices(new GrammarBuilder[] { yesValue, noValue }));  
        Grammar yesnoGrammar = new Grammar(yesNoKey);  
        yesnoGrammar.Name = "yesNo";  

        // Create the "done" grammar within the constructor of a Grammar object.  
        Grammar doneGrammar =  
        new Grammar(new GrammarBuilder(new Choices(new string[] { "done", "exit", "quit", "stop" })));  
        doneGrammar.Name = "Done";  

        // Create a dictation grammar.  
        Grammar dictation = new DictationGrammar();  
        dictation.Name = "Dictation";  

        // Load grammars to the recognizer.  
        recognizer.LoadGrammarAsync(yesnoGrammar);  
        recognizer.LoadGrammarAsync(doneGrammar);  
        recognizer.LoadGrammarAsync(dictation);  

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

    // Handle the SpeechRecognized event.  
    static void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)  
    {  
      Console.WriteLine("Grammar({0}): {1}", e.Result.Grammar.Name, e.Result.Text);  

      // Add event handler code here.  
    }  

    // Handle the LoadGrammarCompleted event.   
    static void recognizer_LoadGrammarCompleted(object sender, LoadGrammarCompletedEventArgs e)  
    {  
      string grammarName = e.Grammar.Name;  
      bool grammarLoaded = e.Grammar.Loaded;  

      if (e.Error != null)  
      {  

        Console.WriteLine("LoadGrammar for {0} failed with a {1}.",  
        grammarName, e.Error.GetType().Name);  

        // Add exception handling code here.  
      }  

      Console.WriteLine("Grammar {0} {1} loaded.",  
      grammarName, (grammarLoaded) ? "is" : "is not");  
    }  

    // Put the shared speech recognizer into "listening" mode.   
    static void recognizer_StateChanged(object sender, StateChangedEventArgs e)  
    {  
      if (e.RecognizerState != RecognizerState.Stopped)  
      {  
        recognizer.EmulateRecognizeAsync("Start listening");  
      }  
    }  
  }  
}  

注釈

の LoadGrammarCompletedEventArgs インスタンスは、オブジェクトが SpeechRecognitionEngine を SpeechRecognitionEngine.LoadGrammarCompleted 発生させるか、オブジェクトがイベントを SpeechRecognizer 発生 LoadGrammarCompleted させると作成されます。 イベントは、メソッドの呼び出しが LoadGrammarAsync 完了したときに発生します。

読み込まれたオブジェクトに関する情報を Grammar 取得するには、 イベントの Grammar ハンドラーの プロパティにアクセスします。

操作中に認識エンジンで例外が発生した場合、 Error プロパティは例外に設定され、 Loaded 関連付けられている Grammar の プロパティは である false可能性があります。

プロパティ

メソッド

適用対象

こちらもご覧ください

• LoadGrammar(Grammar)
• LoadGrammarAsync(Grammar)
• LoadGrammar(Grammar)
• LoadGrammarAsync(Grammar)