/**
* <summary>
* Returns the number of milliseconds remaining before a pulse (delayedPulse() call)
* When there is no scheduled pulse, returns zero.
* <para>
* </para>
* <para>
* </para>
* </summary>
* <returns>
* an integer corresponding to the number of milliseconds remaining before a pulse (delayedPulse() call)
* When there is no scheduled pulse, returns zero
* </returns>
* <para>
* On failure, throws an exception or returns <c>YRelay.COUNTDOWN_INVALID</c>.
* </para>
*/
public long get_countdown()
{
if (_func == null)
{
throw new YoctoApiProxyException("No Relay connected");
}
return(_func.get_countdown());
}