// This example shows how to obtain all areas directly under the root (denoted by empty string for the parent).
//
// 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 BrowseAreas
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyAEClient();
AENodeElementCollection nodeElements;
try
{
nodeElements = client.BrowseAreas("", "OPCLabs.KitEventServer.2", "");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
foreach (AENodeElement nodeElement in nodeElements)
{
Debug.Assert(nodeElement != null);
Console.WriteLine("nodeElements[\"{0}\"]:", nodeElement.Name);
Console.WriteLine(" .QualifiedName: {0}", nodeElement.QualifiedName);
}
}
}
}
' This example shows how to obtain all areas directly under the root (denoted by empty string for the parent).
'
' 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 BrowseAreas
Public Shared Sub Main1()
Dim client = New EasyAEClient()
Dim nodeElements As AENodeElementCollection
Try
nodeElements = client.BrowseAreas("", "OPCLabs.KitEventServer.2", "")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
For Each nodeElement As AENodeElement In nodeElements
Debug.Assert(nodeElement IsNot Nothing)
Console.WriteLine("nodeElements[""{0}""]:", nodeElement.Name)
Console.WriteLine(" .QualifiedName: {0}", nodeElement.QualifiedName)
Next nodeElement
End Sub
End Class
End Namespace
# This example shows how to obtain all areas directly under the root (denoted by empty string for the parent).
#
# 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:
nodeElements = IEasyAEClientExtension.BrowseAreas(client, '', 'OPCLabs.KitEventServer.2', '')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display results
for nodeElement in nodeElements:
assert nodeElement is not None
print('NodeElements["', nodeElement.Name, '"]:', sep='')
print(' .QualifiedName: ', nodeElement.QualifiedName, sep='')