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Grammar.SpeechRecognized Event

  • Reference

Definition

Namespace:
System.Speech.Recognition
Assembly:
System.Speech.dll
Package:
System.Speech v8.0.0
Package:
System.Speech v9.0.0-rc.2.24473.5
Source:
Grammar.cs
Source:
Grammar.cs

Raised when a speech recognizer performs recognition using the Grammar object.

public:
 event EventHandler<System::Speech::Recognition::SpeechRecognizedEventArgs ^> ^ SpeechRecognized;
public event EventHandler<System.Speech.Recognition.SpeechRecognizedEventArgs> SpeechRecognized;
member this.SpeechRecognized : EventHandler<System.Speech.Recognition.SpeechRecognizedEventArgs> 
Public Custom Event SpeechRecognized As EventHandler(Of SpeechRecognizedEventArgs) 
Public Event SpeechRecognized As EventHandler(Of SpeechRecognizedEventArgs)

Event Type

EventHandler<SpeechRecognizedEventArgs>

Examples

The following example shows the use of an event handler for the Grammar object's SpeechRecognized event. It outputs the recognition results to the console.

public partial class Form1 : Form  
{  
  SpeechRecognitionEngine sre;  

  public Form1()  
  {  
  InitializeComponent();  

  // Create an in-process speech recognizer.  
  sre = new SpeechRecognitionEngine();  

  // Configure input to the speech recognizer.  
  sre.SetInputToDefaultAudioDevice();  

  // Create a simple grammar and load it.  
  Grammar testGrammar = new Grammar(new GrammarBuilder("testing"));  
  sre.LoadGrammarAsync(testGrammar);  

  // Add a handler for the grammar's speech recognized event.  
  testGrammar.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(testGrammar_SpeechRecognized);  

  // Start asynchronous speech recognition.  
  sre.RecognizeAsync();  
  }  

  // Handle the grammar's SpeechRecognized event, output the recognized text.  
  void testGrammar_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)  
  {  
    Console.WriteLine("Recognized text: " + e.Result.Text);  
  }  
}

Remarks

The speech recognizer also raises a SpeechRecognized event when it recognizes input. The Grammar object's SpeechRecognized event is raised prior to the speech recognizer's SpeechRecognized event . For more information, see the SpeechRecognizer.SpeechRecognized, SpeechRecognitionEngine.SpeechRecognized, and RecognizeCompleted events.

Any tasks specific to a particular grammar should always be handled by handlers for the Grammar object's SpeechRecognized event.

Applies to

See also