ReplacementText.FirstWordIndex Property

Definition

Namespace:

System.Speech.Recognition

Assembly:

System.Speech.dll

Package:

System.Speech v9.0.0-rc.2.24473.5

Gets the location of the first recognized word replaced by the speech normalization procedure.

public:
 property int FirstWordIndex { int get(); };

public int FirstWordIndex { get; }

member this.FirstWordIndex : int

Public ReadOnly Property FirstWordIndex As Integer

Property Value

Int32

Returns the location of the first recognized word replaced by the speech normalization procedure.

Examples

In the following example, information about a RecognizedPhrase object returned by a recognition engine is displayed to a user interface.

internal static void DisplayBasicPhraseInfo(  
        Label label,   
        RecognizedPhrase result,   
        SpeechRecognizer rec)   
{  
  if (result != null && label != null)   
  {  
    // Blank  
    if (rec != null)   
    {   
      // Clear  
      label.Text += String.Format(  
                             "  Recognizer currently at:   {0} mSec\n" +  
                             "  Audio Device currently at: {1} mSec\n",  
                             rec.RecognizerAudioPosition.TotalMilliseconds,  
                             rec.AudioPosition.TotalMilliseconds);  
    }  

    if (result != null)   
    { // Clear  
      RecognitionResult recResult = result as RecognitionResult;  
      if (recResult != null)   
      {  
        RecognizedAudio resultAudio = recResult.Audio;  
        if (resultAudio == null)   
        {  
          label.Text += String.Format("  Emulated input\n");  
        }   
        else   
        {  
          label.Text += String.Format(  
                               "  Candidate Phrase at:       {0} mSec\n" +  
                               "  Phrase Length:             {1} mSec\n" +  
                               "  Input State Time:          {2}\n" +  
                               "  Input Format:              {3}\n",  
                               resultAudio.AudioPosition.TotalMilliseconds,  
                               resultAudio.Duration.TotalMilliseconds,  
                               resultAudio.StartTime.ToShortTimeString(),  
                               resultAudio.Format.EncodingFormat.ToString());  
        }  
      }  

      label.Text += String.Format("  Confidence Level:          {0}\n", result.Confidence);  
      if (result.Grammar != null)   
      {  
        label.Text += String.Format(  
                            "  Recognizing Grammar:       {0}\n" +  
                            "  Recognizing Rule:          {1}\n",  
                            ((result.Grammar.Name != null) ? (result.Grammar.Name) : "None"),  
                            ((result.Grammar.RuleName != null) ? (result.Grammar.RuleName) : "None"));  
      }  

      if  (result.ReplacementWordUnits.Count !=  0)    
      {  
        label.Text += String.Format("  Replacement text:\n");  
        foreach (ReplacementText rep in result.ReplacementWordUnits)    
        {  
          string repText = rep.Text;  
          // Add trailing spaces  

          if ((rep.DisplayAttributes & DisplayAttributes.OneTrailingSpace) !=  0)    
          {  
            repText += " ";  
          }  
          if ((rep.DisplayAttributes & DisplayAttributes.TwoTrailingSpaces) !=  0)    
          {  
            repText += "  ";  
          }  
          if ((rep.DisplayAttributes & DisplayAttributes.ConsumeLeadingSpaces) != 0)    
          {  
            repText=repText.TrimStart();  
          }  
          if ((rep.DisplayAttributes & DisplayAttributes.ZeroTrailingSpaces) != 0)   
          {  
            repText = repText.TrimEnd();  
          }  
          label.Text += String.Format(  
                           "      At index {0} for {1} words. Text: \"{2}\"\n",  
                           rep.FirstWordIndex,  rep.CountOfWords, repText);  

        }  
        label.Text += String.Format("\n\n");  
      }  
    }  
  }    
}