private SpeechRecognitionEngine LoadDictationGrammars()
{
// Create a default dictation grammar.
DictationGrammar defaultDictationGrammar = new DictationGrammar();
defaultDictationGrammar.Name = "default dictation";
defaultDictationGrammar.Enabled = true;
// Create the spelling dictation grammar.
DictationGrammar spellingDictationGrammar =
new DictationGrammar("grammar:dictation#spelling");
spellingDictationGrammar.Name = "spelling dictation";
spellingDictationGrammar.Enabled = true;
// Create the question dictation grammar.
DictationGrammar customDictationGrammar =
new DictationGrammar("grammar:dictation");
customDictationGrammar.Name = "question dictation";
customDictationGrammar.Enabled = true;
// Create a SpeechRecognitionEngine object and add the grammars to it.
SpeechRecognitionEngine recoEngine = new SpeechRecognitionEngine();
recoEngine.LoadGrammar(defaultDictationGrammar);
recoEngine.LoadGrammar(spellingDictationGrammar);
recoEngine.LoadGrammar(customDictationGrammar);
// Add a context to customDictationGrammar.
customDictationGrammar.SetDictationContext("How do you", null);
return(recoEngine);
}
//int _sIndex = 0;
//protected override void Engine_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
//{
// base.Engine_SpeechRecognized(sender, e);
// IndexGrammar grammar = new IndexGrammar(this._sIndex++, e.Result.Text, _cultureName);
// grammar.RecoResult = e.Result;
// this.GrammarCollection.Add(grammar);
//}
public void ReSetGrammar()
{
//this._sIndex = 0;
this.GrammarCollection.Clear();
this.Engine.RecognizeAsyncCancel();
this.Engine.SetInputToNull();
this.Engine.UnloadAllGrammars();
var grammar = new DictationGrammar("grammar:dictation");
this.Engine.LoadGrammar(grammar);
if (string.IsNullOrEmpty(this._possibleText) == false)
{
grammar.SetDictationContext(this._possibleText, null);
}
}
