/**
* <summary>
* Returns the output state of the relays, when used as a simple switch (single throw).
* <para>
* </para>
* <para>
* </para>
* </summary>
* <returns>
* either <c>YRelay.OUTPUT_OFF</c> or <c>YRelay.OUTPUT_ON</c>, according to the output state of the
* relays, when used as a simple switch (single throw)
* </returns>
* <para>
* On failure, throws an exception or returns <c>YRelay.OUTPUT_INVALID</c>.
* </para>
*/
public int get_output()
{
if (_func == null)
{
throw new YoctoApiProxyException("No Relay connected");
}
// our enums start at 0 instead of the 'usual' -1 for invalid
return(_func.get_output() + 1);
}