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using System;
using System.IO;
using System.Runtime.InteropServices;

namespace System.Media
{
    public class SoundPlayer
    {
        private byte[] m_soundBytes;
        private string m_fileName;

        private enum Flags
        {
            SND_SYNC = 0x0000,
            SND_ASYNC = 0x0001,
            SND_NODEFAULT = 0x0002,
            SND_MEMORY = 0x0004,
            SND_LOOP = 0x0008,
            SND_NOSTOP = 0x0010,
            SND_NOWAIT = 0x00002000,
            SND_ALIAS = 0x00010000,
            SND_ALIAS_ID = 0x00110000,
            SND_FILENAME = 0x00020000,
            SND_RESOURCE = 0x00040004
        }

        [DllImport("CoreDll.DLL", EntryPoint = "PlaySound", SetLastError = true)]
        private extern static int WCE_PlaySound(string szSound, IntPtr hMod, 
                                               int flags);

        [DllImport("CoreDll.DLL", EntryPoint = "PlaySound", SetLastError = true)]
        private extern static int WCE_PlaySoundBytes(byte[] szSound, IntPtr hMod,
                                                    int flags);

        public SoundPlayer(string fileName)
        {
            m_fileName = fileName;
        }

        public SoundPlayer(Stream stream)
        {
            m_soundBytes = new byte[stream.Length];
            stream.Read(m_soundBytes, 0, (int)stream.Length);
        }

        public SoundPlayer(byte[] soundBytes)
        {
            m_soundBytes = soundBytes;
        }

        public void Play()
        {
            if (m_fileName != null)
                WCE_PlaySound(m_fileName, IntPtr.Zero, (int)(Flags.SND_ASYNC |
                               Flags.SND_FILENAME));
            else
                WCE_PlaySoundBytes(m_soundBytes, IntPtr.Zero, 
                                   (int)(Flags.SND_ASYNC | Flags.SND_MEMORY));
        }
    }
}