using  System;
using  System.Runtime.InteropServices;
namespace  wavfileplayer
{
///  <summary>
///  WavFilePlayer  的摘要说明。
///  播放Wav格式的文件
///  From:http://www.codeguru.com/Csharp/Csharp/cs_graphics/sound/article.php/c6143/
///  也可参考：http://www.eggheadcafe.com/articles/20030302.asp
///  </summary>
public  class  WavFilePlayer
{
[dllimport("winmm.dll")]
public  static  extern  bool    PlaySound(byte[]wfname,  int  fuSound);
//    flag  values  for  soundflags  argument  on  playsound
public  int  SND_SYNC              =  0x0000;            //  play  synchronously
//  (default)
public  int  SND_ASYNC            =  0x0001;            //  play  asynchronously
public  int  SND_NODEFAULT    =  0x0002;            //  silence  (!default)
//  if  sound  not  found
public  int  SND_MEMORY          =  0x0004;            //  pszSound  points  to
//  a  memory  file
public  int  SND_LOOP              =  0x0008;            //  loop  the  sound  until
//  next  sndPlaySound
public  int  SND_NOSTOP          =  0x0010;            //  don't  stop  any
//  currently  playing
//  sound

public  int  snd_nowait            =  0x00002000;  //  don't  wait  if  the
//  driver  is  busy
public  int  SND_ALIAS              =  0x00010000;  //  name  is  a  Registry
//  alias
public  int  SND_ALIAS_ID        =  0x00110000;  //  alias  is  a  predefined
//  ID
public  int  SND_FILENAME        =  0x00020000;  //  name  is  file  name
public  int  SND_RESOURCE        =  0x00040004;  //  name  is  resource  name
//  or  atom
public  int  SND_PURGE              =  0x0040;          //  purge  non-static
//  events  for  task
public  int  SND_APPLICATION  =  0x0080;          //  look  for  application-
//  specific  association
//-----------------------------------------------------------------
public  void  Play(string  wfname,int  SoundFlags)
{
byte[]  bname  =  new  Byte[256];        //Max  path  length
bname  =  System.Text.Encoding.ASCII.GetBytes(wfname);
PlaySound(bname,SoundFlags);
}
//-----------------------------------------------------------------
public  void  StopPlay()
{
PlaySound(null,SND_PURGE);
}
}
}
//---------------

play  embedded  wav  resources  in  .net
using  System;
using  System.Runtime.InteropServices;
using  System.Resources;
using  System.IO;
namespace  Win32
{
public  class  Winmm
{
public  const  UInt32  SND_ASYNC  =  1;
public  const  UInt32  SND_MEMORY  =  4;
//  these  2  overloads  we  dont  need  ...
//  [DllImport("Winmm.dll")]
//  public  static  extern  bool  PlaySound(IntPtr  rsc,  IntPtr  hMod,  UInt32  dwFlags);
//  [DllImport("Winmm.dll")]
//  public  static  extern  bool  PlaySound(string  Sound,  IntPtr  hMod,  UInt32  dwFlags);
//  this  is  the  overload  we  want  to  play  embedded  resource...
[DllImport("Winmm.dll")]
public  static  extern  bool  PlaySound(byte[]  data,  IntPtr  hMod,  UInt32  dwFlags);
public  Winmm()
{
}
public  static  void  PlayWavResource(string  wav)
{
//  get  the  namespace  
string  strNameSpace=
System.Reflection.Assembly.GetExecutingAssembly().GetName().Name.ToString();
//  get  the  resource  into  a  stream
Stream  str  =
System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(  strNameSpace  +"."+  wav  );
if  (  str  ==  null  )
return;
//  bring  stream  into  a  byte  array
byte[]  bStr  =  new  Byte[str.Length];
str.Read(bStr,  0,  (int)str.Length);
//  play  the  resource
PlaySound(bStr,  IntPtr.Zero,  SND_ASYNC  |  SND_MEMORY);
}
}
}
to  use  the  class,  we  would  make  the  call  as  follows:
private  void  button2_Click(object  sender,  System.EventArgs  e)
{
Win32.Winmm.PlayWavResource("chimes.wav");
}