private static void Subscrib(this OpcUaClient client, IEventSubscriber subscriber)
{
client.AddSubscription(subscriber.NodeName, subscriber.NodeId,
(key, item, args) =>
{
try
{
if (args.NotificationValue is MonitoredItemNotification notification &&
notification.Value != null && notification.Value.WrappedValue.Value != null)
{
if (key == subscriber.NodeName)
{
subscriber.EventHandler(key, item, args);
}
}
}
