/**
* <summary>
* Makes the buzzer frequency change over a period of time.
* <para>
* </para>
* </summary>
* <param name="frequency">
* frequency to reach, in hertz. A frequency under 25Hz stops the buzzer.
* </param>
* <param name="duration">
* pulse duration in milliseconds
* </param>
* <returns>
* <c>0</c> if the call succeeds.
* </returns>
* <para>
* On failure, throws an exception or returns a negative error code.
* </para>
*/
public virtual int freqMove(int frequency, int duration)
{
if (_func == null)
{
throw new YoctoApiProxyException("No Buzzer connected");
}
return(_func.freqMove(frequency, duration));
}