/** Retrieves the volume of the audio effects. * * The value ranges between 0.0 and 100.0. * * @note Ensure that this method is called after {@link agora_gaming_rtc.AudioEffectManagerImpl.PlayEffect PlayEffect}. * * @return * - ≥ 0: Volume of the audio effects, if this method call succeeds. * - < 0: Failure. */ public override double GetEffectsVolume() { if (_mEngine == null) { return((double)ERROR_CODE.ERROR_NOT_INIT_ENGINE); } return(IRtcEngineNative.getEffectsVolume()); }