play mp3 file in windows mobile 6

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C#2.0

C#

i want to play a mp3 file in windows mobile when a button is clicked..i searched the web but they are using "aygshell.dll"...aygshell.dll is not available in my vs 2008..i tried to download it but its not working....is there any other possible way i can do it..please help.....

[DllImport("aygshell.dll", SetLastError = true)]
static extern IntPtr SndPlaySync(string Path, uint Flags);
.....
SndPlaySync(@"\ResidentFlash\Audios\02_SatGuide_Hellotune.mp3", 0); 

this is the code i got but its not working....