| DirectX SDK | 
The DirectSoundEnumerate function enumerates the DirectSound drivers installed in the system.
HRESULT WINAPI DirectSoundEnumerate( LPDSENUMCALLBACK lpDSEnumCallback, LPVOID lpContext );
If the function succeeds, the return value is DS_OK.
If the function fails, the return value may be DSERR_INVALIDPARAM.
  Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dsound.h.
  Import Library: Use dsound.lib.