public static void CallbackLambda()
{
// Instantiate the client object
var easyAEClient = new EasyAEClient();
Console.WriteLine("Subscribing...");
// The callback is a lambda expression the displays the event message
easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000,
(sender, eventArgs) =>
{
Debug.Assert(eventArgs != null);
if (eventArgs.EventData != null)
{
Console.WriteLine(eventArgs.EventData.Message);
}
});
Console.WriteLine("Processing event notifications for 20 seconds...");
Thread.Sleep(20 * 1000);
Console.WriteLine("Unsubscribing...");
easyAEClient.UnsubscribeAllEvents();
Console.WriteLine("Waiting for 2 seconds...");
Thread.Sleep(2 * 1000);
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
AECategoryElementCollection categoryElements = easyAEClient.QueryEventCategories("", "AutoJet.ACPFileServerAE.1");
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Debug.Assert(categoryElement.AttributeElements.Keys != null);
Debug.Assert(categoryElement.ConditionElements.Keys != null);
Console.WriteLine("Information about category {0}:", categoryElement);
Console.WriteLine(" .CategoryId: {0}", categoryElement.CategoryId);
Console.WriteLine(" .Description: {0}", categoryElement.Description);
Console.WriteLine(" .ConditionElements:");
foreach (string conditionKey in categoryElement.ConditionElements.Keys)
{
Console.WriteLine(" {0}", conditionKey);
}
Console.WriteLine(" .AttributeElements:");
foreach (long attributeKey in categoryElement.AttributeElements.Keys)
{
Console.WriteLine(" {0}", attributeKey);
}
}
}
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 easyAEClient = new EasyAEClient();
AECategoryElementCollection categoryElements = easyAEClient.QueryEventCategories("", "OPCLabs.KitEventServer.2");
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Console.WriteLine("CategoryElements[\"{0}\"].Description: {1}", categoryElement.CategoryId, categoryElement.Description);
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
ServerElementCollection serverElements = easyAEClient.BrowseServers("");
foreach (ServerElement serverElement in serverElements)
{
Debug.Assert(serverElement != null);
Console.WriteLine("serverElements[\"{0}\"].ProgId: {1}", serverElement.Clsid, serverElement.ProgId);
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
AEConditionElementCollection conditionElements = easyAEClient.QuerySourceConditions(
"", "OPCLabs.KitEventServer.2", "Simulation.ConditionState1");
foreach (AEConditionElement conditionElement in conditionElements)
{
Debug.Assert(conditionElement != null);
Console.WriteLine("ConditionElements[\"{0}\"]: {1} subcondition(s)",
conditionElement.Name, conditionElement.SubconditionNames.Length);
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
AENodeElementCollection nodeElements = easyAEClient.BrowseAreas("", "AutoJet.ACPFileServerAE.1", "");
foreach (AENodeElement nodeElement in nodeElements)
{
Debug.Assert(nodeElement != null);
Console.WriteLine("nodeElements[\"{0}\"]:", nodeElement.Name);
Console.WriteLine(" .QualifiedName: {0}", nodeElement.QualifiedName);
}
}
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()
{
var easyAEClient = new EasyAEClient();
AEConditionState conditionState = easyAEClient.GetConditionState("", "OPCLabs.KitEventServer.2",
"Simulation.ConditionState1", "Simulated");
Console.WriteLine("ConditionState:");
Console.WriteLine(" .ActiveSubcondition: {0}", conditionState.ActiveSubcondition);
Console.WriteLine(" .Enabled: {0}", conditionState.Enabled);
Console.WriteLine(" .Active: {0}", conditionState.Active);
Console.WriteLine(" .Acknowledged: {0}", conditionState.Acknowledged);
Console.WriteLine(" .Quality: {0}", conditionState.Quality);
// Remark: IAEConditionState has many more properties
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
//AENodeElementCollection nodeElements = easyAEClient.BrowseSources("", "OPCLabs.KitEventServer.2", "Simulation");
AENodeElementCollection nodeElements = easyAEClient.BrowseSources("", "AutoJet.ACPFileServerAE.1", "AI1 sensor fault");
foreach (AENodeElement nodeElement in nodeElements)
{
Debug.Assert(nodeElement != null);
Console.WriteLine("nodeElements[\"{0}\"]:", nodeElement.Name);
Console.WriteLine(" .QualifiedName: {0}", nodeElement.QualifiedName);
}
}
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...");
easyAEClient.SubscribeEvents("", "OPCLabs.KitEventServer.2", 1000);
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
Console.WriteLine("Unsubscribing...");
easyAEClient.UnsubscribeAllEvents();
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
AECategoryElementCollection categoryElements = easyAEClient.QueryEventCategories("", "AutoJet.ACPFileServerAE.1");
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Console.WriteLine("Category {0}:", categoryElement);
foreach (AEConditionElement conditionElement in categoryElement.ConditionElements)
{
Debug.Assert(conditionElement != null);
Console.WriteLine(" Information about condition \"{0}\":", conditionElement);
Console.WriteLine(" .Name: {0}", conditionElement.Name);
Console.WriteLine(" .SubconditionNames:");
DumpSubconditionNames(conditionElement.SubconditionNames);
}
}
}
public static void Main1()
{
var easyAEClient = new EasyAEClient();
AECategoryElementCollection categoryElements = easyAEClient.QueryEventCategories("", "AutoJet.ACPFileServerAE.1");
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Console.WriteLine("Category {0}:", categoryElement);
foreach (AEAttributeElement attributeElement in categoryElement.AttributeElements)
{
Debug.Assert(attributeElement != null);
Console.WriteLine(" Information about attribute {0}:", attributeElement);
Console.WriteLine(" .AttributeId: {0}", attributeElement.AttributeId);
Console.WriteLine(" .Description: {0}", attributeElement.Description);
Console.WriteLine(" .DataType: {0}", attributeElement.DataType);
}
}
}
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", 500);
Console.WriteLine("Waiting for 10 seconds...");
Thread.Sleep(10 * 1000);
Console.WriteLine("Changing subscription...");
easyAEClient.ChangeEventSubscription(handle, 5 * 1000);
Console.WriteLine("Waiting for 50 seconds...");
Thread.Sleep(50 * 1000);
easyAEClient.UnsubscribeEvents(handle);
}
}