public static void Main1()
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
EasyAEClient.Notification += eventHandler;
Console.WriteLine("Processing event notifications...");
var subscriptionFilter = new AESubscriptionFilter
{
Sources = new AENodeDescriptor[]
{ "Simulation.ConditionState1", "Simulation.ConditionState2", "Simulation.ConditionState3" }
};
int handle = EasyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000, null, subscriptionFilter);
// The component will perform auto-refresh at this point, give it time to happen
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
// Set some events to active state, which will cause them to appear in refresh
Console.WriteLine("Activating conditions and waiting for 10 seconds...");
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Activate", true);
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState2.Activate", true);
Thread.Sleep(10 * 1000);
Console.WriteLine("Refreshing subscription and waiting for 10 seconds...");
EasyAEClient.RefreshEventSubscription(handle);
Thread.Sleep(10 * 1000);
EasyAEClient.UnsubscribeEvents(handle);
}
public static void Main1()
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
EasyAEClient.Notification += eventHandler;
Console.WriteLine("Processing event notifications...");
var subscriptionFilter = new AESubscriptionFilter
{
Sources = new AENodeDescriptor[] { "Simulation.ConditionState1", "Simulation.ConditionState3" }
};
// You can also filter using event types, categories, severity, and areas.
int handle = EasyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000, null, subscriptionFilter);
// Allow time for initial refresh
Thread.Sleep(5 * 1000);
// Set some events to active state.
// The activation below will come from a source contained in a filter and the notification will arrive.
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Activate", true);
// The activation below will come from a source that is not contained in a filter and the notification will not arrive.
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState2.Activate", true);
Thread.Sleep(10 * 1000);
EasyAEClient.UnsubscribeEvents(handle);
}
public static void FilterByCategories()
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification_FilterByCategories);
EasyAEClient.Notification += eventHandler;
Console.WriteLine("Processing event notifications...");
var subscriptionFilter = new AESubscriptionFilter
{
Categories = new long[] { 15531778 }
};
// You can also filter using event types, severity, areas, and sources.
int handle = EasyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000, null, subscriptionFilter);
// Allow time for initial refresh
Thread.Sleep(5 * 1000);
// Set some events to active state.
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Activate", true);
EasyDaClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState2.Activate", true);
Thread.Sleep(10 * 1000);
EasyAEClient.UnsubscribeEvents(handle);
}
public static void Main1()
{
// In order to use event pull, you must set a non-zero queue capacity upfront.
using (var easyAEClient = new EasyAEClient {
PullNotificationQueueCapacity = 1000
})
{
Console.WriteLine("Subscribing events...");
int handle = easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000);
Console.WriteLine("Processing event notifications for 1 minute...");
int endTick = Environment.TickCount + 60 * 1000;
do
{
EasyAENotificationEventArgs eventArgs = easyAEClient.PullNotification(2 * 1000);
if (eventArgs != null)
{
// Handle the notification event
Console.WriteLine(eventArgs);
}
} while (Environment.TickCount < endTick);
Console.WriteLine("Unsubscribing events...");
easyAEClient.UnsubscribeEvents(handle);
Console.WriteLine("Finished.");
}
}
public static void Main1()
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
EasyAEClient.Notification += eventHandler;
Console.WriteLine("Processing event notifications for 1 minute...");
var subscriptionFilter = new AESubscriptionFilter
{
Sources = new AENodeDescriptor[] { "Simulation.ConditionState1" }
};
int handle = EasyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000, null, subscriptionFilter);
// Give the refresh operation time to complete
Thread.Sleep(5 * 1000);
// Trigger an acknowledgeable event
EasyDAClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Activate", true);
_done = false;
DateTime endTime = DateTime.Now + new TimeSpan(0, 0, 5);
while ((!_done) && (DateTime.Now < endTime))
{
Thread.Sleep(1000);
}
// Give some time to also receive the acknowledgement notification
Thread.Sleep(5 * 1000);
EasyAEClient.UnsubscribeEvents(handle);
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
// Browse for some areas and sources
AENodeElementCollection areaElements = easyAEClient.BrowseAreas("", "SWToolbox.TOPServer_AE.V5", "");
foreach (AENodeElement areaElement in areaElements)
{
Debug.Assert(areaElement != null);
Debug.Assert(areaElement.QualifiedName != null);
Console.WriteLine("areaElements[\"{0}\"]:", areaElement.Name);
Console.WriteLine(" .QualifiedName: {0}", areaElement.QualifiedName);
AENodeElementCollection sourceElements =
easyAEClient.BrowseSources("", "SWToolbox.TOPServer_AE.V5", areaElement.QualifiedName);
foreach (AENodeElement sourceElement in sourceElements)
{
Debug.Assert(sourceElement != null);
Console.WriteLine(" sourceElements[\"{0}\"]:", sourceElement.Name);
Console.WriteLine(" .QualifiedName: {0}", sourceElement.QualifiedName);
}
}
// Query for event categories
AECategoryElementCollection categoryElements = easyAEClient.QueryEventCategories("", "SWToolbox.TOPServer_AE.V5");
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Console.WriteLine("CategoryElements[\"{0}\"].Description: {1}", categoryElement.CategoryId,
categoryElement.Description);
}
// Subscribe to events, wait, and unsubscribe
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
easyAEClient.Notification += eventHandler;
int handle = easyAEClient.SubscribeEvents("", "SWToolbox.TOPServer_AE.V5", 1000);
Console.WriteLine("Processing event notifications for 1 minute...");
Thread.Sleep(60 * 1000);
easyAEClient.UnsubscribeEvents(handle);
}
public static void Main1()
{
using (var easyAEClient = new EasyAEClient())
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
easyAEClient.Notification += eventHandler;
int handle = easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000);
Console.WriteLine("Processing event notifications for 1 minute...");
Thread.Sleep(60 * 1000);
easyAEClient.UnsubscribeEvents(handle);
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
var easyDAClient = new EasyDAClient();
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
easyAEClient.Notification += eventHandler;
// Inactivate the event condition (we will later activate it and receive the notification)
easyDAClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Inactivate", true);
var subscriptionFilter = new AESubscriptionFilter
{
Sources = new AENodeDescriptor[] { "Simulation.ConditionState1" }
};
// Prepare a dictionary holding requested event attributes for each event category
// The event category IDs and event attribute IDs are hard-coded here, but can be obtained from the OPC
// server by querying as well.
var returnedAttributesByCategory = new AEAttributeSetDictionary();
returnedAttributesByCategory[0x00ECFF02] = new long[] { 0x00EB0003, 0x00EB0008 };
Console.WriteLine("Subscribing to events...");
int handle = easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000, null, subscriptionFilter,
returnedAttributesByCategory);
// Give the refresh operation time to complete
Thread.Sleep(5 * 1000);
// Trigger an event carrying specified attributes (activate the condition)
easyDAClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1",
"SimulateEvents.ConditionState1.AttributeValues.15400963", 123456);
easyDAClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1",
"SimulateEvents.ConditionState1.AttributeValues.15400968", "Some string value");
easyDAClient.WriteItemValue("", "AutoJet.ACPFileServerAE.1", "SimulateEvents.ConditionState1.Activate", true);
Console.WriteLine("Processing event notifications for 10 seconds...");
Thread.Sleep(10 * 1000);
easyAEClient.UnsubscribeEvents(handle);
}
public static void Main1()
{
using (var easyAEClient = new EasyAEClient())
{
var eventHandler = new EasyAENotificationEventHandler(easyAEClient_Notification);
easyAEClient.Notification += eventHandler;
Console.WriteLine("Subscribing...");
int handle = easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000);
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
Console.WriteLine("Unsubscribing...");
easyAEClient.UnsubscribeEvents(handle);
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
}
}