/** * <summary> * Changes the frequency of the signal sent to the buzzer. * <para> * A zero value stops the buzzer. * </para> * <para> * </para> * </summary> * <param name="newval"> * a floating point number corresponding to the frequency of the signal sent to the buzzer * </param> * <para> * </para> * <returns> * <c>0</c> if the call succeeds. * </returns> * <para> * On failure, throws an exception or returns a negative error code. * </para> */ public int set_frequency(double newval) { if (_func == null) { throw new YoctoApiProxyException("No Buzzer connected"); } if (newval == _Frequency_INVALID) { return(YAPI.SUCCESS); } return(_func.set_frequency(newval)); }