Microsoft.Speech.dll中发生未处理的“System.Runtime.InteropServices.COMException”类型异常
附加信息：由于以下错误，检索具有CLSID {49428A60-C997-4D0E-9808-9E326C178D58}的组件的COM类工厂失败：80040154未注册类（HRESULT异常：0x80040154（REGDB_E_CLASSNOTREG））。
我正在关注Microsoft语音平台SDK 11的this sample from MSDN：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Microsoft.Speech;
using Microsoft.Speech.Recognition;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
SpeechRecognitionEngine sre = new SpeechRecognitionEngine(new System.Globalization.CultureInfo("en-US")); ======>>**ERROR**
sre.SetInputToWaveFile(@"c:\Test\Colors.wav");
Choices colors = new Choices();
colors.Add(new string[] { "red", "green", "blue" });
GrammarBuilder gb = new GrammarBuilder();
gb.Append(colors);
Grammar g = new Grammar(gb);
sre.LoadGrammar(g);
// Register a handler for the SpeechRecognized event.
sre.SpeechRecognized +=
new EventHandler<SpeechRecognizedEventArgs>(sre_SpeechRecognized);
// Start recognition.
sre.Recognize();
sre.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(sre_SpeechRecognized);
}
private void sre_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
MessageBox.Show("Speech recognized: " + e.Result.Text);
}
}
}