// This example shows how to obtain a data type of an OPC item.
//
// 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 OpcLabs.BaseLib.ComInterop;
using OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.DataAccess.Extensions;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess._EasyDAClientExtension
{
class GetDataTypePropertyValue
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyDAClient();
// Get the DataType property value, already converted to VarType
VarType varType;
try
{
varType = client.GetDataTypePropertyValue("", "OPCLabs.KitServer.2", "Simulation.Random");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
// Display the obtained data type
Console.WriteLine("VarType: {0}", varType); // Display data type symbolically
}
}
}
' This example shows how to obtain a data type of an OPC item.
'
' 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.BaseLib.ComInterop
Imports OpcLabs.EasyOpc.DataAccess
Imports OpcLabs.EasyOpc.DataAccess.Extensions
Imports OpcLabs.EasyOpc.OperationModel
Namespace DataAccess._EasyDAClientExtension
Friend Class GetDataTypePropertyValue
Public Shared Sub Main1()
Dim client = New EasyDAClient()
' Get the DataType property value, already converted to VarType
Dim varType As VarType
Try
varType = client.GetDataTypePropertyValue("", "OPCLabs.KitServer.2", "Simulation.Random")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
' Display the obtained data type
Console.WriteLine("VarType: {0}", varType) ' Display data type symbolically
End Sub
End Class
End Namespace
# This example shows how to obtain a data type of an OPC item.
#
# 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.BaseLib.ComInterop import *
from OpcLabs.EasyOpc.DataAccess import *
from OpcLabs.EasyOpc.DataAccess.Extensions import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object.
client = EasyDAClient()
# Get the DataType property value, already converted to VarType.
try:
varType = IEasyDAClientExtension2.GetDataTypePropertyValue(client, '', 'OPCLabs.KitServer.2', 'Simulation.Random')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display the obtained data type.
print('VarType: ', varType, sep='') # Display data type symbolically
print('Finished.')
// This example shows how to obtain a structure containing property values for an OPC item, and display some property values.
//
// 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 OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.DataAccess.Extensions;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess._EasyDAClientExtension
{
class GetItemPropertyRecord
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyDAClient();
// Get a structure containing values of all well-known properties
DAItemPropertyRecord itemPropertyRecord;
try
{
itemPropertyRecord = client.GetItemPropertyRecord("", "OPCLabs.KitServer.2", "Simulation.Random");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
// Display some of the obtained property values
Console.WriteLine("itemPropertyRecord.AccessRights: {0}", itemPropertyRecord.AccessRights);
Console.WriteLine("itemPropertyRecord.DataType: {0}", itemPropertyRecord.DataType);
Console.WriteLine("itemPropertyRecord.Timestamp: {0}", itemPropertyRecord.Timestamp);
}
}
}
' This example shows how to obtain a structure containing property values for an OPC item, and display some property values.
'
' 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.DataAccess
Imports OpcLabs.EasyOpc.DataAccess.Extensions
Imports OpcLabs.EasyOpc.OperationModel
Namespace DataAccess._EasyDAClientExtension
Friend Class GetItemPropertyRecord
Public Shared Sub Main1()
Dim client = New EasyDAClient()
' Get a structure containing values of all well-known properties
Dim itemPropertyRecord As DAItemPropertyRecord
Try
itemPropertyRecord = client.GetItemPropertyRecord("", "OPCLabs.KitServer.2", "Simulation.Random")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
' Display some of the obtained property values
Console.WriteLine("itemPropertyRecord.AccessRights: {0}", itemPropertyRecord.AccessRights)
Console.WriteLine("itemPropertyRecord.DataType: {0}", itemPropertyRecord.DataType)
Console.WriteLine("itemPropertyRecord.Timestamp: {0}", itemPropertyRecord.Timestamp)
End Sub
End Class
End Namespace
# This example shows how to obtain a structure containing property values for an OPC item, and display some property
# values.
#
# 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.DataAccess import *
from OpcLabs.EasyOpc.DataAccess.Extensions import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object.
client = EasyDAClient()
# Get a structure containing values of all well-known properties.
try:
itemPropertyRecord = IEasyDAClientExtension2.GetItemPropertyRecord(client,
'', 'OPCLabs.KitServer.2', 'Simulation.Random')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display some of the obtained property values.
print('itemPropertyRecord.AccessRights: ', itemPropertyRecord.AccessRights, sep='')
print('itemPropertyRecord.DataType: ', itemPropertyRecord.DataType, sep='')
print('itemPropertyRecord.Timestamp: ', itemPropertyRecord.Timestamp, sep='')
print('Finished.')
// This example shows how to obtain a dictionary of OPC property values for an OPC item, and extract property values.
//
// 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 OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.DataAccess.Extensions;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess._EasyDAClientExtension
{
class GetPropertyValueDictionary
{
public static void Main1()
{
// Instantiate the client object.
var client = new EasyDAClient();
// Get dictionary of property values, for all well-known properties
DAPropertyValueDictionary propertyValueDictionary;
try
{
propertyValueDictionary = client.GetPropertyValueDictionary("", "OPCLabs.KitServer.2", "Simulation.Random");
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
return;
}
// Display some of the obtained property values
// The production code should also check for the .Exception first, before getting .Value
Console.WriteLine("propertyValueDictionary[DAPropertyId.AccessRights].Value: {0}",
propertyValueDictionary[DAPropertyIds.AccessRights].Value);
Console.WriteLine("propertyValueDictionary[DAPropertyId.DataType].Value: {0}",
propertyValueDictionary[DAPropertyIds.DataType].Value);
Console.WriteLine("propertyValueDictionary[DAPropertyId.Timestamp].Value: {0}",
propertyValueDictionary[DAPropertyIds.Timestamp].Value);
}
}
}
' This example shows how to obtain a dictionary of OPC property values for an OPC item, and extract property values.
'
' 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.DataAccess
Imports OpcLabs.EasyOpc.DataAccess.Extensions
Imports OpcLabs.EasyOpc.OperationModel
Namespace DataAccess._EasyDAClientExtension
Friend Class GetPropertyValueDictionary
Public Shared Sub Main1()
Dim client = New EasyDAClient()
' Get dictionary of property values, for all well-known properties
Dim propertyValueDictionary As DAPropertyValueDictionary
Try
propertyValueDictionary = client.GetPropertyValueDictionary("", "OPCLabs.KitServer.2", "Simulation.Random")
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
' Display some of the obtained property values
' The production code should also check for the .Exception first, before getting .Value
Console.WriteLine("propertyValueDictionary[DAPropertyId.AccessRights].Value: {0}", propertyValueDictionary(DAPropertyIds.AccessRights).Value)
Console.WriteLine("propertyValueDictionary[DAPropertyId.DataType].Value: {0}", propertyValueDictionary(DAPropertyIds.DataType).Value)
Console.WriteLine("propertyValueDictionary[DAPropertyId.Timestamp].Value: {0}", propertyValueDictionary(DAPropertyIds.Timestamp).Value)
End Sub
End Class
End Namespace
# This example shows how to obtain a dictionary of OPC property values for an OPC item, and extract property values.
#
# 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.DataAccess import *
from OpcLabs.EasyOpc.DataAccess.Extensions import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object.
client = EasyDAClient()
# Get dictionary of property values, for all well-known properties.
try:
propertyValueDictionary = IEasyDAClientExtension2.GetPropertyValueDictionary(client,
'', 'OPCLabs.KitServer.2', 'Simulation.Random')
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
# Display some of the obtained property values.
# The production code should also check for the .Exception first, before getting .Value
print('propertyValueDictionary[DAPropertyId.AccessRights].Value: ',
propertyValueDictionary.get_Item(DAPropertyId(DAPropertyIds.AccessRights)).Value, sep='')
print('propertyValueDictionary[DAPropertyId.DataType].Value: ',
propertyValueDictionary.get_Item(DAPropertyId(DAPropertyIds.DataType)).Value, sep='')
print('propertyValueDictionary[DAPropertyId.Timestamp].Value: ',
propertyValueDictionary.get_Item(DAPropertyId(DAPropertyIds.Timestamp)).Value, sep='')
print('Finished.')