axWindowsMediaPlayer1.settings.setMode("", true);

axWindowsMediaPlayer1.URL = "skcg.mp3";

//等待时间大概2秒

//异步，主程序不会卡住

//生成语音网址  https://developer.baidu.com/vcast

using System.Speech.Synthesis;

SpeechSynthesizer synth = new SpeechSynthesizer();
synth.Speak("刷卡成功！");

//等待时间大概1.1秒

//同步，主程序会卡住