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SpeechRecognitionRejectedEventArgs Class

Class passed to handlers of events generated as when a speech recognition engine fails to identify a phrase from input.

Namespace: System.Speech.Recognition
Assembly: System.Speech (in system.speech.dll)

[SerializableAttribute] 
public class SpeechRecognitionRejectedEventArgs : RecognitionEventArgs
/** @attribute SerializableAttribute() */ 
public class SpeechRecognitionRejectedEventArgs extends RecognitionEventArgs
SerializableAttribute 
public class SpeechRecognitionRejectedEventArgs extends RecognitionEventArgs
Not applicable.

SpeechRecognitionRejectedEventArgs derives from RecognitionEventArgs.

Detailed information about rejected phrases is available through the Result property.

SpeechRecognitionRejected events (SpeechRecognizer.SpeechRecognitionRejected and SpeechRecognitionEngine.SpeechRecognitionRejected) are generated when no speech recognition hypothesis scores high enough for a recognition engine to accept it.

In the example below, a delegate is defined to use the instance of SpeechRecognitionRejctedEventArgs passed to the handler for SpeechRecognitionRejected events to display information about rejected phrases.

// Handles the SpeechHypothesis event and displays the Hypothesis result.
            _recognizer.SpeechHypothesis +=
                delegate(object sender, SpeechHypothesisEventArgs eventArgs)
                {
                    DisplayResult(eventArgs);
                };

System.Object
   System.EventArgs
     System.Speech.Recognition.RecognitionEventArgs
      System.Speech.Recognition.SpeechRecognitionRejectedEventArgs

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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