IDirectSound::Initialize

HRESULT Initialize(GUID FAR * lpGuid);

Initializes the DirectSound object if it has not yet been initialized.

·Returns DSERR_ALREADYINITIALIZED.

lpGuid

Address of the GUID specifying the sound driver for this DirectSound object to bind to, or NULL to select the primary sound driver.

Because the DirectSoundCreate function calls this method internally, it is not needed for the current release of DirectSound.