甚至文档中的这个示例似乎也失败了:GrammarBuilder dictation = new GrammarBuilder();
startStop.Append(new SemanticResultKey("StartDictation", new SemanticResultValue("Start Dictation",true)));
SpeechRecognitionEngine recognizer = new SpeechRecognitionEngine();Grammar dictation= new DictationGrammar();recognizer.LoadGrammar(dictation);
recognizer.SpeechRecognized