FMOD.DSP.setActive C# (CSharp) Method

        public RESULT setActive                 (bool active)
        {
            return FMOD_DSP_SetActive(rawPtr, active);
        }
        public RESULT getActive                 (out bool active)

        public static EqualizerBand GetEqualizerBand(FMOD.System system, bool isActive, float centerValue, float bandwithValue, float gainValue)
        {
            FMOD.DSP dspParamEq = null;

            if (isActive)
            {
                if (!system.createDSPByType(FMOD.DSP_TYPE.PARAMEQ, out dspParamEq).ERRCHECK())
                {
                    return(null);
                }

                FMOD.ChannelGroup masterChannelGroup;
                if (!system.getMasterChannelGroup(out masterChannelGroup).ERRCHECK())
                {
                    return(null);
                }

                int numDSPs;
                if (!masterChannelGroup.getNumDSPs(out numDSPs).ERRCHECK())
                {
                    return(null);
                }

                if (!masterChannelGroup.addDSP(numDSPs, dspParamEq).ERRCHECK())
                {
                    return(null);
                }

                if (!dspParamEq.setParameterFloat((int)FMOD.DSP_PARAMEQ.CENTER, centerValue).ERRCHECK())
                {
                    return(null);
                }

                if (!dspParamEq.setParameterFloat((int)FMOD.DSP_PARAMEQ.BANDWIDTH, bandwithValue).ERRCHECK())
                {
                    return(null);
                }

                if (!dspParamEq.setParameterFloat((int)FMOD.DSP_PARAMEQ.GAIN, gainValue).ERRCHECK())
                {
                    return(null);
                }

                if (!dspParamEq.setActive(true).ERRCHECK())
                {
                    return(null);
                }
            }

            var band = new EqualizerBand(system, dspParamEq, centerValue, gainValue, isActive);

            return(band);
        }