当我运行我的C＃应用程序时，我收到此错误：
“System.IO.FileNotFoundException”类型的未处理异常 发生在Microsoft.Speech.dll
其他信息：KivételHRESULT-értéke：0x8004503A
可能是什么问题？
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
SpeechSynthesizer sSynth = new SpeechSynthesizer();
PromptBuilder pBuilder = new PromptBuilder();
SpeechRecognitionEngine sRecognize = new SpeechRecognitionEngine();
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
pBuilder.ClearContent();
pBuilder.AppendText(textBox1.Text);
sSynth.Speak(pBuilder);
}
private void button2_Click(object sender, EventArgs e)
{
}
private void sRecognize_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (e.Result.Text == "exit")
{
Application.Exit();
}
else
{
textBox1.Text = textBox1.Text + " " + e.Result.Text.ToString();
}
}
private void button3_Click(object sender, EventArgs e)
{
sRecognize.RecognizeAsyncStop();
button2.Enabled = true;
button3.Enabled = false;
}
private void enable_Click(object sender, EventArgs e)
{
pBuilder.ClearContent();
pBuilder.AppendText(textBox1.Text);
sSynth.Speak(pBuilder);
}
private void felismeres_Click(object sender, EventArgs e)
{
sSynth.Speak("What can I do to you?");
button2.Enabled = false;
button3.Enabled = true;
Choices sList = new Choices();
sList.Add(new string[] { "hello", "test", "it works", "how", "are", "you", "today", "i", "am", "fine", "exit", "close", "quit", "so" });
Grammar gr = new Grammar(new GrammarBuilder(sList));
try
{
sRecognize.RequestRecognizerUpdate();
sRecognize.LoadGrammar(gr);
sRecognize.SpeechRecognized += sRecognize_SpeechRecognized;
sRecognize.SetInputToDefaultAudioDevice();
sRecognize.RecognizeAsync(RecognizeMode.Multiple);
sRecognize.Recognize();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void button3_Click_1(object sender, EventArgs e)
{
sRecognize.RecognizeAsyncStop();
button2.Enabled = true;
button3.Enabled = false;
}
}