/**
* <summary>
* Activates the buzzer for a short duration.
* <para>
* </para>
* </summary>
* <param name="frequency">
* pulse frequency, in hertz
* </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 pulse(int frequency, int duration)
{
if (_func == null)
{
throw new YoctoApiProxyException("No Buzzer connected");
}
return(_func.pulse(frequency, duration));
}