C#中的声音问题

Question

public enum PlaySoundFlags : long
{
SND_APPLICATION = 0x0080,
SND_ALIAS       = 0x00010000L,
SND_ALIAS_ID    = 0x00110000L,
SND_ASYNC       = 0x0001,
SND_FILENAME    = 0x00020000L,
SND_LOOP        = 0x0008,
SND_MEMORY      = 0x0004,
SND_NODEFAULT   = 0x0002,
SND_NOSTOP      = 0x0010,
ND_NOWAIT      = 0x00002000L,
SND_PURGE       = 0x0040,
SND_RESOURCE    = 0x00040004L,
SND_SYNC        = 0x0000
}
请各位高手解释一下这段代码。。小弟万分感谢

Answer 1

Sorry!
说成常量有些欠妥

Answer 2

http://blog.csdn.net/AloneSword/archive/2006/06/06/776773.aspx

Answer 3

如果播放音频视频的话，用我写的类，纯c#编写
http://www.jz322.com/web/MediaEE_SDK.rar
http://www.jz322.com/web/Media.txt

Answer 4

public class SoundPlay
{
[ DllImport("winmm.DLL") ] 
public static extern long sndPlaySound(string strSound, long dwFlat) ;  public static int SND_SYNC=0; 
public static int SND_ASYNC=1; 
public static int SND_MEMORY=4; 
public static int SND_LOOP=8; 
public static int SND_NOSTOP=10;  public SoundPlay()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public long sndPlay(string strSound,long dwFlat) 
{ 
return sndPlaySound(strSound,dwFlat); 
} 
public long Stop() 
{ 
PlaySound(null); 
return 0;
} /// <summary>
/// 播放指定的声音文件
/// </summary>
/// <param name="FileName">声音文件（包含全路径）</param>
public void PlaySound(string FileName)
{
this.sndPlay(FileName,SND_LOOP | SND_ASYNC );
}
}