PUPASOFT BLOG!

 class MP3
    {
        private string _command;
        private bool isOpen;
        [DllImport("winmm.dll")]
        private static extern long mciSendString(string strCommand, StringBuilder strReturn, int iReturnLength, IntPtr hwndCallback);
 
        public void Close()
        {
            _command = "close MediaFile";
            mciSendString(_command, null, 0, IntPtr.Zero);
            isOpen = false;
        }
 
        public void Open(string sFileName)
        {
            _command = "open \"" + sFileName + "\" type mpegvideo alias MediaFile";
            mciSendString(_command, null, 0, IntPtr.Zero);
            isOpen = true;
        }
 
        public void Play(bool loop)
        {
            if (isOpen)
            {
                _command = "play MediaFile";
                if (loop)
                    _command += " REPEAT";
                mciSendString(_command, null, 0, IntPtr.Zero);
            }
        }
    }

            mp3.Open("D://download//I_Do_Thai_version.mp3");