www.pudn.com > LINkSee.rar > Sound.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
using System.IO; 
using System.Runtime.InteropServices; 
 
namespace LinkSee 
{ 
    public class Sound 
    { 
        private byte[] m_soundBytes; 
        private string m_fileName; 
 
        private enum Flags 
        { 
            SND_SYNC = 0x0000,  /* play synchronously (default) */ 
            SND_ASYNC = 0x0001,  /* play asynchronously */ 
            SND_NODEFAULT = 0x0002,  /* silence (!default) if sound not found */ 
            SND_MEMORY = 0x0004,  /* pszSound points to a memory file */ 
            SND_LOOP = 0x0008,  /* loop the sound until next sndPlaySound */ 
            SND_NOSTOP = 0x0010,  /* don't stop any currently playing sound */ 
            SND_NOWAIT = 0x00002000, /* don't wait if the driver is busy */ 
            SND_ALIAS = 0x00010000, /* name is a registry alias */ 
            SND_ALIAS_ID = 0x00110000, /* alias is a predefined ID */ 
            SND_FILENAME = 0x00020000, /* name is file name */ 
            SND_RESOURCE = 0x00040004  /* name is resource name or atom */ 
        } 
 
        [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); 
 
        /// 
 
        /// Construct the Sound object to play sound data from the specified file. 
        /// 
 
        public Sound(string fileName) 
        { 
            m_fileName = fileName; 
        } 
 
        /// 
 
        /// Construct the Sound object to play sound data from the specified stream. 
        /// 
 
        public Sound(Stream stream) 
        { 
            // read the data from the stream 
            m_soundBytes = new byte[stream.Length]; 
            stream.Read(m_soundBytes, 0, (int)stream.Length); 
        } 
 
        /// 
 
        /// Play the sound 
        /// 
 
        public void Play() 
        { 
            // if a file name has been registered, call WCE_PlaySound, 
            //  otherwise call WCE_PlaySoundBytes 
            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)); 
        } 
    } 
}