string srvName = "Kepware.KEPServerEX_AE.V6";
string adress = "10.30.82.36";
 
using (var client = new EasyAEClient())
{
    var eventHandler = new EasyAENotificationEventHandler(client_Notification);
    client.Notification += eventHandler;
    client.EventingFailure += fail;
    int handle = client.SubscribeEvents("", srvName, 1000);
 
    Console.WriteLine("Processing event notifications for 10 seconds...");
    Thread.Sleep(10 * 1000);
 
    client.UnsubscribeEvents(handle);
}
static void client_Notification(object sender, EasyAENotificationEventArgs e)
{
    if (!e.Succeeded)
    {
        Console.WriteLine("*** Failure: {0}", e.ErrorMessageBrief);
            return;
    }
    if (e.EventData != null)
        Console.WriteLine(e.EventData.Message);
}
 
static private void fail(object sender, OpcLabs.BaseLib.FailureEventArgs e)
{
     var s = e.ToString();
     MessageBox.Show(s);
}