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RecognizeMode Enumeration

Enumerates values of the recognition mode.

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

type RecognizeMode

Member nameDescription
MultipleSpecifies that recognition does not terminate after completion.
SingleSpecifies that recognition terminates after completion.

This enumeration is used as an argument to RecognizeAsync(RecognizeMode).

The following example shows the implementation of a start/stop button for an application that has a graphical user interface and uses SpeechRecognitionEngine. Depending on the state of the application, RecognizeAsync(RecognizeMode) is called with either Single or Multiple when the button is clicked.

private void _startRecogButton_Click(object sender, EventArgs eventArgs) 
{

  // Toggle speech recognition on.
  if (_startRecogButton.Text == "Start Speech Recognition") 
  {     
    _startRecogButton.Text = "Stop Speech Recognition";
    if (_useMultiple) 
    {
      _recognitionEngine.RecognizeAsync(RecognizeMode.Multiple);
    } 
    else 
    {
      _recognitionEngine.RecognizeAsync(RecognizeMode.Single);
    }
  }

  // Toggle speech recognition off. 
  else 
  {                                                      
    _startRecogButton.Text = "Start Speech Recognition";
    
    // Stop after current phrase is finished.
    if (_friendlyStop) 
    {     
      _recognitionEngine.RecognizeAsyncStop(); 
    }
 
    // Stop before current phrase is finished.
    else 
    {      
      _recognitionEngine.RecognizeAsyncCancel(); 
    }
  }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4
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