ReplacementText.FirstWordIndex 屬性

定義

命名空間:

System.Speech.Recognition

組件:

System.Speech.dll

取得由語音正規化程序取代的第一個辨識字的位置。

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

public int FirstWordIndex { get; }

member this.FirstWordIndex : int

Public ReadOnly Property FirstWordIndex As Integer

屬性值

Int32

傳回由語音正規化程序取代的第一個辨識字的位置。

範例

在下列範例中， RecognizedPhrase 識別引擎所傳回之物件的相關資訊會顯示在使用者介面中。

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");  
      }  
    }  
  }    
}