SpeechRecognizer.LoadGrammarAsync(Grammar) 方法
定义
异步加载语音识别语法。Asynchronously loads a speech recognition grammar.
public:
void LoadGrammarAsync(System::Speech::Recognition::Grammar ^ grammar);
public void LoadGrammarAsync (System.Speech.Recognition.Grammar grammar);
member this.LoadGrammarAsync : System.Speech.Recognition.Grammar -> unit
Public Sub LoadGrammarAsync (grammar As Grammar)
参数
- grammar
- Grammar
加载语音识别语法。The speech recognition grammar to load.
注解
当识别器完成此异步操作时,它将引发一个 LoadGrammarCompleted 事件。When the recognizer completes this asynchronous operation, it raises a LoadGrammarCompleted event. 如果语音识别语法已加载、正在异步加载或者未能加载到任何识别器,识别器会引发异常。The recognizer throws an exception if the speech recognition grammar is already loaded, is being asynchronously loaded, or has failed to load into any recognizer. 如果识别器正在运行,则应用程序必须使用在 RequestRecognizerUpdate 加载、卸载、启用或禁用语法之前暂停语音识别引擎。If the recognizer is running, applications must use RequestRecognizerUpdate to pause the speech recognition engine before loading, unloading, enabling, or disabling a grammar.
若要同步加载语音识别语法,请使用 LoadGrammar 方法。To load a speech recognition grammar synchronously, use the LoadGrammar method.