The SetAllParameters method sets the parametric equalizer parameters of a buffer.
HRESULT SetAllParameters( LPCDSFXParamEq pcDsFxParamEq );
If the method succeeds, the return value is DS_OK or S_FALSE. See the Remarks for DSFXParamEq. If the method fails, the return value may be DSERR_INVALIDPARAM.
Header: Declared in Dsound.h.
Import Library: Use Dsdmo.dll.