Ｃ＃コード断片/1.1/メモリからWAVを再生

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[DllImport("winmm.dll",CallingConvention=CallingConvention.Winapi,EntryPoint="PlaySound")]
private static extern int PlaySound(byte[] pszSound, int hmod, int flags);
private static int    SND_SYNC            = 0x0000;/* play synchronously (default) */
private static int    SND_ASYNC           = 0x0001;/* play asynchronously */
private static int    SND_NODEFAULT       = 0x0002;/* silence (!default) if sound not found */
private static int    SND_MEMORY          = 0x0004;/* pszSound points to a memory file */
private static int    SND_LOOP            = 0x0008;/* loop the sound until next sndPlaySound */
private static int    SND_NOSTOP          = 0x0010;/* don't stop any currently playing sound */
private static int    SND_NOWAIT            = 0x2000;/* don't wait if the driver is busy */
private static int    SND_ALIAS            = 0x10000;/* name is a registry alias */
private static int    SND_ALIAS_ID        = 0x110000;/* alias is a pre d ID */
private static int    SND_FILENAME        = 0x20000;/* name is file name */
private static int    SND_RESOURCE        = 0x40004;/* name is resource name or atom */
private static int    SND_PURGE           = 0x0040;/* purge non-static events for task */
private static int    SND_APPLICATION     = 0x0080;/* look for application specific association */
 
PlaySound(buf,0,SND_MEMORY|SND_LOOP|SND_ASYNC);