Checks if the license is currently offline.
If the node was offline and the offline maximum duration has been exceeded, the function will return false.
If the node is not offline or the node offline status has expired, this function will attempt to connect to the Floating license DB and return the status from the DB.
C#: bool IsOffline(out bool wasOffline, out string errorMessage)
wasOffline - returned flag that indicates whether the node was offline flag prior to this call.
errorMessage - returned error message if the operation failed.
true if the node is offline.