// This example shows how to obtain all branches at the root of the address space. For each branch, it displays whether
// it may have child nodes.
using System;
using OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.DataAccess.AddressSpace;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess._EasyDAClient
{
class BrowseBranches
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyDAClient();
DANodeElementCollection branchElements;
try
{
branchElements = client.BrowseBranches("", "OPCLabs.KitServer.2", "");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
foreach (DANodeElement branchElement in branchElements)
Console.WriteLine($"BranchElements(\"{branchElement.Name}\").HasChildren: {branchElement.HasChildren}");
}
// Example output:
//
//BranchElements("$ServerControl").HasChildren: True
//BranchElements("Boilers").HasChildren: True
//BranchElements("Simulation").HasChildren: True
//BranchElements("SimulateEvents").HasChildren: True
//BranchElements("Trends").HasChildren: True
//BranchElements("Demo").HasChildren: True
//BranchElements("Greenhouse").HasChildren: True
}
}
# This example shows how to obtain all branches at the root of the address space. For each branch, it displays whether
# it may have child nodes.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc.DataAccess import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object.
client = EasyDAClient()
# Perform the operation.
try:
nodeElements = IEasyDAClientExtension.BrowseBranches(client, '', 'OPCLabs.KitServer.2', '')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display results.
for nodeElement in nodeElements:
print('NodeElements["', nodeElement.Name, '"].HasChildren: ', nodeElement.HasChildren, sep='')
