IDirectSound3DListener::GetRolloffFactor
HRESULT GetRolloffFactor(LPD3DVALUE lpflRolloffFactor);
Retrieves the current rolloff factor.
·Returns DS_OK if successful, or DSERR_INVALIDPARAM otherwise.
lpflRolloffFactor
Address of a variable whose type is D3DVALUE and that will contain the current rolloff factor value.
The default value is DS3D_DEFAULTROLLOFFFACTOR (1.0). For additional information about the rolloff factor, see Rolloff Factor.