IDirectSound3DListener::GetAllParameters
HRESULT GetAllParameters(LPDS3DLISTENER lpListener);
Retrieves information that describes the current state of the 3D world and listener.
·Returns DS_OK if successful, or DSERR_INVALIDPARAM otherwise.
lpListener
Address of a DS3DLISTENER structure that will contain the current state of the 3D world and listener.