// This example shows how to enumerate all properties of an OPC item. For each property, it displays its Id and description.
using System;
using OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.DataAccess.AddressSpace;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess._EasyDAClient
{
class BrowseProperties
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyDAClient();
DAPropertyElementCollection propertyElements;
try
{
propertyElements = client.BrowseProperties("OPCLabs.KitServer.2", "Simulation.Random");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
foreach (DAPropertyElement propertyElement in propertyElements)
Console.WriteLine($"PropertyElements(\"{propertyElement.PropertyId.NumericalValue}\").Description: {propertyElement.Description}");
}
// Example output:
//
//PropertyElements("15008").Description: Visible
//PropertyElements("5").Description: Item Access Rights
//PropertyElements("2").Description: Item Value
//PropertyElements("7").Description: Item EU Type
//PropertyElements("15001").Description: Item Name
//PropertyElements("4").Description: Item Timestamp
//PropertyElements("1").Description: Item Canonical Data Type
//PropertyElements("103").Description: Low EU
//PropertyElements("15009").Description: Addable
//PropertyElements("6").Description: Server Scan Rate
//PropertyElements("15000").Description: Item ID
//PropertyElements("3").Description: Item Quality
}
}
# This example shows how to enumerate all properties of an OPC item. For each property, it displays its Id and description.
#requires -Version 5.1
using namespace OpcLabs.EasyOpc.OperationModel
using namespace OpcLabs.EasyOpc.DataAccess
# The path below assumes that the current directory is [ProductDir]/Examples-NET/PowerShell/Windows .
Add-Type -Path "../../../Components/Opclabs.QuickOpc/net472/OpcLabs.EasyOpcClassicCore.dll"
Add-Type -Path "../../../Components/Opclabs.QuickOpc/net472/OpcLabs.EasyOpcClassic.dll"
Add-Type -Path "../../../Components/Opclabs.QuickOpc/net472/OpcLabs.EasyOpcClassicComponents.dll"
# Instantiate the client object.
$client = New-Object EasyDAClient
try {
$propertyElements = $client.BrowseProperties("OPCLabs.KitServer.2", "Simulation.Random")
}
catch [OpcException] {
Write-Host "*** Failure: $($PSItem.Exception.GetBaseException().Message)"
return
}
Foreach ($propertyElement in $propertyElements) {
Write-Host "PropertyElements(`"$($propertyElement.PropertyId.NumericalValue)`").Description: $($propertyElement.Description)"
}
# Example output:
#
#PropertyElements("15008").Description: Visible
#PropertyElements("5").Description: Item Access Rights
#PropertyElements("2").Description: Item Value
#PropertyElements("7").Description: Item EU Type
#PropertyElements("15001").Description: Item Name
#PropertyElements("4").Description: Item Timestamp
#PropertyElements("1").Description: Item Canonical Data Type
#PropertyElements("103").Description: Low EU
#PropertyElements("15009").Description: Addable
#PropertyElements("6").Description: Server Scan Rate
#PropertyElements("15000").Description: Item ID
#PropertyElements("3").Description: Item Quality
# This example shows how to enumerate all properties of an OPC item. For each property, it displays its Id and
# description.
# 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:
propertyElements = IEasyDAClientExtension.BrowseProperties(client, '', 'OPCLabs.KitServer.2', 'Simulation.Random')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display results.
for propertyElement in propertyElements:
print('PropertyElements[', propertyElement.PropertyId.NumericalValue, '].Description: ', propertyElement.Description,
sep='')