// This example shows how to enumerate all event categories provided by the OPC server. For each category, it displays its Id
// and description.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.
using System;
using System.Diagnostics;
using OpcLabs.EasyOpc.AlarmsAndEvents;
using OpcLabs.EasyOpc.AlarmsAndEvents.AddressSpace;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.AlarmsAndEvents._EasyAEClient
{
class QueryEventCategories
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyAEClient();
AECategoryElementCollection categoryElements;
try
{
categoryElements = client.QueryEventCategories("", "OPCLabs.KitEventServer.2");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
foreach (AECategoryElement categoryElement in categoryElements)
{
Debug.Assert(categoryElement != null);
Console.WriteLine("CategoryElements[\"{0}\"].Description: {1}", categoryElement.CategoryId, categoryElement.Description);
}
}
}
}
' This example shows how to enumerate all event categories provided by the OPC server. For each category, it displays its Id
' and description.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET .
' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
' a commercial license in order to use Online Forums, and we reply to every post.
Imports OpcLabs.EasyOpc.AlarmsAndEvents
Imports OpcLabs.EasyOpc.AlarmsAndEvents.AddressSpace
Imports OpcLabs.EasyOpc.OperationModel
Namespace AlarmsAndEvents._EasyAEClient
Friend Class QueryEventCategories
Public Shared Sub Main1()
Dim client = New EasyAEClient()
Dim categoryElements As AECategoryElementCollection
Try
categoryElements = client.QueryEventCategories("", "OPCLabs.KitEventServer.2")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
For Each categoryElement As AECategoryElement In categoryElements
Debug.Assert(categoryElement IsNot Nothing)
Console.WriteLine("CategoryElements[""{0}""].Description: {1}", categoryElement.CategoryId, categoryElement.Description)
Next categoryElement
End Sub
End Class
End Namespace
# This example shows how to enumerate all event categories provided by the OPC server. For each category, it displays
# its Id and description.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
# a commercial license in order to use Online Forums, and we reply to every post.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc import *
from OpcLabs.EasyOpc.AlarmsAndEvents import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object
client = EasyAEClient()
# Perform the operation
try:
categoryElements = IEasyAEClientExtension.QueryEventCategories(client, '', 'OPCLabs.KitEventServer.2')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display results
for categoryElement in categoryElements:
assert categoryElement is not None
print('CategoryElements[', categoryElement.CategoryId, '].Description: ', categoryElement.Description, sep='')
// This example shows how to work with Software Tolbox TOP Server 5 Alarms and Events.
// Use simdemo_WithA&E.opf configuration file and write a value above 1000 to Channel1.Device1.Tag1 or Channel1.Device1.Tag2.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.
using System;
using System.Diagnostics;
using System.Threading;
using OpcLabs.EasyOpc.AlarmsAndEvents;
using OpcLabs.EasyOpc.AlarmsAndEvents.AddressSpace;
using OpcLabs.EasyOpc.AlarmsAndEvents.OperationModel;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.AlarmsAndEvents.SWToolbox
{
class TOPServer_AE
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyAEClient();
// Browse for some areas and sources
AENodeElementCollection areaElements;
try
{
areaElements = client.BrowseAreas("", "SWToolbox.TOPServer_AE.V5", "");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
foreach (AENodeElement areaElement in areaElements)
{
Debug.Assert(!(areaElement is null));
Debug.Assert(!(areaElement.QualifiedName is null));
Console.WriteLine("areaElements[\"{0}\"]:", areaElement.Name);
Console.WriteLine(" .QualifiedName: {0}", areaElement.QualifiedName);
AENodeElementCollection sourceElements =
client.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;
try
{
categoryElements = client.QueryEventCategories("", "SWToolbox.TOPServer_AE.V5");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
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(client_Notification);
client.Notification += eventHandler;
int handle = client.SubscribeEvents("", "SWToolbox.TOPServer_AE.V5", 1000);
Console.WriteLine("Processing event notifications for 1 minute...");
Thread.Sleep(60 * 1000);
client.UnsubscribeEvents(handle);
}
// Notification event handler
static void client_Notification(object sender, EasyAENotificationEventArgs e)
{
if (!(e.Exception is null)) Console.WriteLine("e.Exception.Message: {0}", e.Exception.Message);
if (!(e.Exception is null)) Console.WriteLine("e.Exception.Source: {0}", e.Exception.Source);
Console.WriteLine("e.Refresh: {0}", e.Refresh);
Console.WriteLine("e.RefreshComplete: {0}", e.RefreshComplete);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.QualifiedSourceName: {0}", e.EventData.QualifiedSourceName);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Time: {0}", e.EventData.Time);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Message: {0}", e.EventData.Message);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.EventType: {0}", e.EventData.EventType);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.CategoryId: {0}", e.EventData.CategoryId);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Severity: {0}", e.EventData.Severity);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.ConditionName: {0}", e.EventData.ConditionName);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.SubconditionName: {0}", e.EventData.SubconditionName);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Enabled: {0}", e.EventData.Enabled);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Active: {0}", e.EventData.Active);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Acknowledged: {0}", e.EventData.Acknowledged);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.Quality: {0}", e.EventData.Quality);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.AcknowledgeRequired: {0}", e.EventData.AcknowledgeRequired);
if (!(e.EventData is null)) Console.WriteLine("e.EventData.ActiveTime: {0}", e.EventData.ActiveTime);
}
}
}
' This example shows how to work with Software Tolbox TOP Server 5 Alarms and Events.
' Use simdemo_WithA&E.opf configuration file and write a value above 1000 to Channel1.Device1.Tag1 or Channel1.Device1.Tag2.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET .
' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
' a commercial license in order to use Online Forums, and we reply to every post.
Imports System.Threading
Imports OpcLabs.EasyOpc.AlarmsAndEvents
Imports OpcLabs.EasyOpc.AlarmsAndEvents.AddressSpace
Imports OpcLabs.EasyOpc.AlarmsAndEvents.OperationModel
Imports OpcLabs.EasyOpc.OperationModel
Namespace AlarmsAndEvents.SWToolbox
Friend Class TOPServer_AE
Public Shared Sub Main1()
Dim client = New EasyAEClient()
' Browse for some areas and sources
Dim areaElements As AENodeElementCollection
Try
areaElements = client.BrowseAreas("", "SWToolbox.TOPServer_AE.V5", "")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
For Each areaElement As AENodeElement In areaElements
Debug.Assert(areaElement IsNot Nothing)
Debug.Assert(areaElement.QualifiedName IsNot Nothing)
Console.WriteLine("areaElements[""{0}""]:", areaElement.Name)
Console.WriteLine(" .QualifiedName: {0}", areaElement.QualifiedName)
Dim sourceElements As AENodeElementCollection = client.BrowseSources("", "SWToolbox.TOPServer_AE.V5", areaElement.QualifiedName)
For Each sourceElement As AENodeElement In sourceElements
Debug.Assert(sourceElement IsNot Nothing)
Console.WriteLine(" sourceElements[""{0}""]:", sourceElement.Name)
Console.WriteLine(" .QualifiedName: {0}", sourceElement.QualifiedName)
Next sourceElement
Next areaElement
' Query for event categories
Dim categoryElements As AECategoryElementCollection
Try
categoryElements = client.QueryEventCategories("", "SWToolbox.TOPServer_AE.V5")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
For Each categoryElement As AECategoryElement In categoryElements
Debug.Assert(categoryElement IsNot Nothing)
Console.WriteLine("CategoryElements[""{0}""].Description: {1}", categoryElement.CategoryId, categoryElement.Description)
Next categoryElement
' Subscribe to events, wait, and unsubscribe
Dim eventHandler = New EasyAENotificationEventHandler(AddressOf client_Notification)
AddHandler client.Notification, eventHandler
Dim handle As Integer = client.SubscribeEvents("", "SWToolbox.TOPServer_AE.V5", 1000)
Console.WriteLine("Processing event notifications for 1 minute...")
Thread.Sleep(60 * 1000)
client.UnsubscribeEvents(handle)
End Sub
' Notification event handler
Private Shared Sub client_Notification(ByVal sender As Object, ByVal e As EasyAENotificationEventArgs)
If e.Exception IsNot Nothing Then
Console.WriteLine("e.Exception.Message: {0}", e.Exception.Message)
End If
If e.Exception IsNot Nothing Then
Console.WriteLine("e.Exception.Source: {0}", e.Exception.Source)
End If
Console.WriteLine("e.Refresh: {0}", e.Refresh)
Console.WriteLine("e.RefreshComplete: {0}", e.RefreshComplete)
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.QualifiedSourceName: {0}", e.EventData.QualifiedSourceName)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Time: {0}", e.EventData.Time)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Message: {0}", e.EventData.Message)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.EventType: {0}", e.EventData.EventType)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.CategoryId: {0}", e.EventData.CategoryId)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Severity: {0}", e.EventData.Severity)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.ConditionName: {0}", e.EventData.ConditionName)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.SubconditionName: {0}", e.EventData.SubconditionName)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Enabled: {0}", e.EventData.Enabled)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Active: {0}", e.EventData.Active)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Acknowledged: {0}", e.EventData.Acknowledged)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.Quality: {0}", e.EventData.Quality)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.AcknowledgeRequired: {0}", e.EventData.AcknowledgeRequired)
End If
If e.EventData IsNot Nothing Then
Console.WriteLine("e.EventData.ActiveTime: {0}", e.EventData.ActiveTime)
End If
End Sub
End Class
End Namespace