Provides dictionary of license data fields and their values.
Syntax
Example
.NET
.NET
COM
// Shows how to display all fields of the available license(s).
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
using System;
using System.Collections.Generic;
using OpcLabs.BaseLib.Collections.Specialized;
using OpcLabs.EasyOpc.UA;
namespace UADocExamples.Licensing
{
partial class LicenseInfo
{
public static void AllFields()
{
// Instantiate the client object.
var client = new EasyUAClient();
// Obtain the license info.
StringObjectDictionary licenseInfo = client.LicenseInfo;
// Display all elements.
foreach (KeyValuePair<string, object> pair in licenseInfo)
Console.WriteLine($"{pair.Key}: {pair.Value}");
}
}
}
# Shows how to display all fields of the available license(s).
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc.UA import *
# Instantiate the client object.
client = EasyUAClient()
# Obtain the license info.
licenseInfo = client.LicenseInfo
# Display all elements.
for pair in licenseInfo:
print(pair.Key, ': ', pair.Value, sep='')
print()
print('Finished.')
' Shows how to display all fields of the available license(s).
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
Imports Opc.Ua
Imports OpcLabs.BaseLib.Collections.Specialized
Imports OpcLabs.EasyOpc.UA
Namespace Licensing
Partial Friend Class LicenseInfo
Public Shared Sub AllFields()
' Instantiate the client object.
Dim client = New EasyUAClient()
' Obtain the license info.
Dim licenseInfo As StringObjectDictionary = client.LicenseInfo
' Display all elements.
For Each pair As KeyValuePair(Of String, Object) In licenseInfo
Console.WriteLine($"{pair.Key}: {pair.Value}")
Next pair
End Sub
End Class
End Namespace
// Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
using System;
using OpcLabs.EasyOpc.UA;
namespace UADocExamples.Licensing
{
partial class LicenseInfo
{
public static void SerialNumber()
{
// Instantiate the client object.
var client = new EasyUAClient();
// Obtain the serial number from the license info.
long serialNumber = (uint)client.LicenseInfo["Multipurpose.SerialNumber"];
// Display the serial number.
Console.WriteLine("SerialNumber: {0}", serialNumber);
// Determine whether we are running as demo or trial.
if ((1111110000 <= serialNumber) && (serialNumber <= 1111119999))
Console.WriteLine("This is a stock demo or trial license.");
else
Console.WriteLine("This is not a stock demo or trial license.");
}
}
}
# Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
#
# 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 .
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc.UA import *
# Instantiate the client object.
client = EasyUAClient()
# Obtain the serial number from the license info.
serialNumber = client.LicenseInfo.get_Item('Multipurpose.SerialNumber')
# Display the serial number.
print('SerialNumber: ', serialNumber, sep='')
# Determine whether we are running as demo or trial.
if (1111110000 <= serialNumber) and (serialNumber <= 1111119999):
print('This is a stock demo or trial license.')
else:
print('This is not a stock demo or trial license.')
print()
print('Finished.')
' Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
Imports OpcLabs.EasyOpc.UA
Namespace Licensing
Friend Class LicenseInfo
Public Shared Sub SerialNumber()
' Instantiate the client object.
Dim client = New EasyUAClient()
' Obtain the serial number from the license info.
Dim serialNumber As Long = CUInt(client.LicenseInfo("Multipurpose.SerialNumber"))
' Display the serial number.
Console.WriteLine("SerialNumber: {0}", serialNumber)
' Determine whether we are running as demo or trial.
If (1111110000 <= serialNumber) And (serialNumber <= 1111119999) Then
Console.WriteLine("This is a stock demo or trial license.")
Else
Console.WriteLine("This is not a stock demo or trial license.")
End If
End Sub
End Class
End Namespace
// Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
//
// Find all latest examples here : https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
class procedure LicenseInfo.SerialNumber;
var
Client: _EasyUAClient;
SerialNumber: Int64;
begin
// Instantiate the client object
Client := CoEasyUAClient.Create;
// Obtain the serial number from the license info.
SerialNumber := Int64(client.LicenseInfo['Multipurpose.SerialNumber']);
// Display the serial number.
WriteLn('SerialNumber: ', SerialNumber);
// Determine whether we are running as demo or trial.
if ((1111110000 <= SerialNumber) and (SerialNumber <= 1111119999)) then
WriteLn('This is a stock demo or trial license.')
else
WriteLn('This is not a stock demo or trial license.');
end;
// This example shows how to obtain nodes under a given node of the OPC-UA address space.
// Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
//
// Find all latest examples here : https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// Instantiate the client object
$Client = new COM("OpcLabs.EasyOpc.UA.EasyUAClient");
// Obtain the serial number from the license info.
$SerialNumber = $Client->LicenseInfo["Multipurpose.SerialNumber"];
// Display the serial number.
printf("SerialNumber: %s\n", $SerialNumber);
// Determine whether we are running as demo or trial.
if ((1111110000 <= $SerialNumber) and ($SerialNumber <= 1111119999))
printf("This is a stock demo or trial license.\n");
else
printf("This is not a stock demo or trial license.\n");
REM Shows how to obtain the serial number of the active license, and determine whether it is a stock demo or trial license.
REM
REM Find all latest examples here : https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
Private Sub LicenseInfo_SerialNumber_Command_Click()
OutputText = ""
' Instantiate the client object
Dim client As New EasyUAClient
' Obtain the serial number from the license info.
Dim serialNumber As Long
serialNumber = client.LicenseInfo("Multipurpose.SerialNumber")
' Display the serial number.
OutputText = OutputText & "Serial number: " & serialNumber & vbCrLf
' Determine whether we are running as demo or trial.
If (1111110000 <= serialNumber) And (serialNumber <= 1111119999) Then
OutputText = OutputText & "This is a stock demo or trial license." & vbCrLf
Else
OutputText = OutputText & "This is not a stock demo or trial license." & vbCrLf
End If
End Sub
Requirements
Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows
See Also