c# 怎麽實現語音朗讀，只要中文就行了

using System.Speech.Synthesis; //用於生成響應的事件

using System.Speech;

using System.Speech.Recognition;

//1.Async="true"

//2.SpeechSynthesizer speak = new SpeechSynthesizer();

//同步朗讀

//3.1 speak.Speak(txt.Text.Trim());

//speak.Dispose(); //釋放之前的資源

//異步朗讀

//3.2 speak.SpeakAsync(txt.Text.Trim());

//speak.Volume = 100; //設置朗讀音量 [範圍 0 ~ 100]

//speak.Rate = 0; //設置朗讀頻率 [範圍 -10 ~ 10]

//speak.SelectVoice("Microsoft Lili"); //SpeakChina

//speak.SelectVoice("Microsoft Anna"); //SpeakEnglish

//SelectVoiceByHints(VoiceGender.Male, VoiceAge.Child, 2, System.Globalization.CultureInfo.CurrentCulture);

//speak.SpeakAsyncCancelAll(); //取消朗讀

//speak.SetOutputToWaveFile("c:\\message.wav");

//語音合成

//4.PromptBuilder pb = new PromptBuilder();

//speak.SelectVoice("Microsoft Lili");

//pb.ClearContent();

//.Net 4.0 的實現方式：

/*

Type type = Type.GetTypeFromProgID("SAPI.SpVoice");

dynamic spVoice = Activator.CreateInstance(type);

spVoice.Speak("妳好,歡迎使用 CSharp 4.0！");

*/

//5.語音完成

/*

speak.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(speak_SpeakCompleted);

void speak_SpeakCompleted(object sender, SpeakCompletedEventArgs e)

{

txt.Text = "完成";

}

*/

//SPEAK 開始

/*var reader = new SpeechSynthesizer();

reader.SpeakAsync(txt.Text); */

//event handler

//reader.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(reader_SpeakCompleted);

//或

//sp.SpeakCompleted += (s, arg) => txt.Text = "true";

//PAUSE 暫停

/*if (reader.State == SynthesizerState.Speaking)

{

reader.Pause();

btn_pause.Text = "繼續";

}*/

//RESUME 繼續

/*if (reader.State == SynthesizerState.Paused)

{

reader.Resume();

btn_pause.Text = "暫停";

}*/

//STOP 停止

//reader.Dispose();

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