[转载]C#中播放背景音乐几种的方法

        using System.Runtime.InteropServices;  //DllImport命名空间的引用   
    class test  //提示音
    {
        [DllImport("winmm.dll")]
        public static extern bool PlaySound(String Filename,int Mod,int Flags);

        public void Main()
        {
            PlaySound(@"d:/qm.wav",0,1);   //把1替换成9，可连续播放
        }
        }

    System.Media.SystemSounds.Asterisk.Play(); 
　　System.Media.SystemSounds.Beep.Play(); 
　　System.Media.SystemSounds.Exclamation.Play(); 
　　System.Media.SystemSounds.Hand.Play(); 
　　System.Media.SystemSounds.Question.Play();

System.Media.SoundPlayer sp = new SoundPlayer(); 
　　sp.SoundLocation = @"D:\10sec.wav"; 
　　sp.PlayLooping();

using System.Runtime.InteropServices; 
　　public static uint SND_ASYNC = 0x0001; 
　　public static uint SND_FILENAME = 0x00020000; 
　　[DllImport("winmm.dll")] 
　　public static extern uint mciSendString(string lpstrCommand, 
　　string lpstrReturnString, uint uReturnLength, uint hWndCallback); 
　　public void Play() 
　　{ 
　　mciSendString(@"close temp_alias", null, 0, 0); 
　　mciSendString(@"open ""E:\Music\青花瓷.mp3"" alias temp_alias", null, 0, 0); 
　　mciSendString("play temp_alias repeat", null, 0, 0); 
　　}

private void axWindowsMediaPlayer1_PlayStateChange(object sender, AxWMPLib._WMPOCXEvents_PlayStateChangeEvent e) 
　　{ 
　　if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsMediaEnded) 
　　{ 
　　Thread thread = new Thread(new ThreadStart(PlayThread)); 
　　thread.Start(); 
　　} 
　　} 
　　private void PlayThread() 
　　{ 
　　axWindowsMediaPlayer1.URL = @"E:\Music\SomeOne.avi"; 
　　axWindowsMediaPlayer1.Ctlcontrols.play(); 
　　}