c# 播放声音的四种方法

　using Microsoft.DirectX;
　using Microsoft.DirectX.DirectSound;

Device dv=new Device();

SecondaryBuffer buf=new SecondaryBuffer(@"snd.wav",dv);

SecondaryBuffer buf=new SecondaryBuffer(@"snd.wav",dv);

　buf.Play(0,BufferPlayFlags.Looping);

/// <summary

  /// 播放声音文件

  /// </summary>

  /// <param name="FileName">文件全名</param>

  public void PlaySound(string FileName)

  {//要加载COM组件:Microsoft speech object Library

   if (!System.IO.File.Exists(FileName))

   {

    return;

   }

   SpeechLib.SpVoiceClass pp = new SpeechLib.SpVoiceClass();

 

   SpeechLib.SpFileStreamClass spFs = new SpeechLib.SpFileStreamClass();

 

   spFs.Open(FileName, SpeechLib.SpeechStreamFileMode.SSFMOpenForRead, true);

   SpeechLib.ISpeechBaseStream Istream = spFs as SpeechLib.ISpeechBaseStream;

   pp.SpeakStream(Istream, SpeechLib.SpeechVoiceSpeakFlags.SVSFIsFilename);

   spFs.Close();

  }

System.Media.SoundPlayer sndPlayer = new System.Media.SoundPlayer(Application.StartupPath+@"/pm3.wav");

sndPlayer.PlayLooping();

private void menuItem1_Click(object sender, System.EventArgs e)
{
OpenFileDialog ofDialog = new OpenFileDialog();
ofDialog.AddExtension = true;
ofDialog.CheckFileExists = true;
ofDialog.CheckPathExists = true;



//the next sentence must be in single line
ofDialog.Filter = "VCD文件(*.dat)|*.dat|Audio文件(*.avi)|*.avi
  |WAV文件(*.wav)|*.wav|MP3文件(*.mp3)|*.mp3|所有文件 (*.*)|*.*";



ofDialog.DefaultExt = "*.mp3";
if(ofDialog.ShowDialog() == DialogResult.OK)
{
// 2003一下版本 方法 this.axMediaPlayer1.FileName = ofDialog.FileName;
this.axMediaPlayer1.URL= ofDialog.FileName;//2005用法

}
}