'Declaration
Property Enabled As Boolean
'Usage
Dim instance As _PluginSetup Dim value As Boolean instance.Enabled = value value = instance.Enabled
bool Enabled {get; set;}
Property Value
The default value of this property is True
.
'Declaration
Property Enabled As Boolean
'Usage
Dim instance As _PluginSetup Dim value As Boolean instance.Enabled = value value = instance.Enabled
bool Enabled {get; set;}
The default value of this property is True
.
This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.
// This example shows how to completely turn off interaction in a console application. // // 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.UA; using OpcLabs.EasyOpc.UA.Engine; using OpcLabs.EasyOpc.UA.OperationModel; namespace UADocExamples.Interaction { partial class ConsoleInteraction { public static void TurnOff() { // Do not implicitly trust any endpoint URLs. EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear(); // Completely disable the console interaction. EasyUAClient.SharedParameters.PluginSetups.FindName("UAConsoleInteraction").Enabled = false; // Define which server we will work with. UAEndpointDescriptor endpointDescriptor = "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer"; // Require secure connection, in order to enforce the certificate check. endpointDescriptor.EndpointSelectionPolicy = UAMessageSecurityModes.Secure; // Instantiate the client object. var client = new EasyUAClient(); UAAttributeData attributeData; try { // Obtain attribute data. // The operation will fail, unless you set up mutual trust using certificate stores. attributeData = client.Read(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853"); } catch (UAException uaException) { Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message); return; } // Display results. Console.WriteLine("Value: {0}", attributeData.Value); Console.WriteLine("ServerTimestamp: {0}", attributeData.ServerTimestamp); Console.WriteLine("SourceTimestamp: {0}", attributeData.SourceTimestamp); Console.WriteLine("StatusCode: {0}", attributeData.StatusCode); } } }
' This example shows how to completely turn off interaction in a console application. ' ' 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.UA Imports OpcLabs.EasyOpc.UA.Engine Imports OpcLabs.EasyOpc.UA.OperationModel Namespace Interaction Partial Friend Class ConsoleInteraction Public Shared Sub TurnOff() ' Do not implicitly trust any endpoint URLs. EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear() ' Completely disable the console interaction. EasyUAClient.SharedParameters.PluginSetups.FindName("UAConsoleInteraction").Enabled = False ' Define which server we will work with. Dim endpointDescriptor As UAEndpointDescriptor = "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer" ' Require secure connection, in order to enforce the certificate check. endpointDescriptor.EndpointSelectionPolicy = UAMessageSecurityModes.Secure ' Instantiate the client object. Dim client = New EasyUAClient() Dim attributeData As UAAttributeData Try ' Obtain attribute data. ' The operation will fail, unless you set up mutual trust using certificate stores. attributeData = client.Read(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853") Catch uaException As UAException Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message) Exit Sub End Try ' Display results. Console.WriteLine("Value: {0}", attributeData.Value) Console.WriteLine("ServerTimestamp: {0}", attributeData.ServerTimestamp) Console.WriteLine("SourceTimestamp: {0}", attributeData.SourceTimestamp) Console.WriteLine("StatusCode: {0}", attributeData.StatusCode) End Sub End Class End Namespace
# This example shows how to completely turn off interaction in a console application. # # 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.UA import * from OpcLabs.EasyOpc.UA.Engine import * from OpcLabs.EasyOpc.UA.OperationModel import * # Do not implicitly trust any endpoint URLs. We want the user be asked explicitly. EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear() # Completely disable the console interaction. EasyUAClient.SharedParameters.PluginSetups.FindName('UAConsoleInteraction').Enabled = False # Define which server we will work with. endpointDescriptor = UAEndpointDescriptor('opc.tcp://opcua.demo-this.com:51210/UA/SampleServer') # Require secure connection, in order to enforce the certificate check. endpointDescriptor.EndpointSelectionPolicy = UAEndpointSelectionPolicy(UAMessageSecurityModes.Secure) # Instantiate the client object. client = EasyUAClient() try: # Obtain attribute data. # The operation will fail, unless you set up mutual trust using certificate stores. attributeData = IEasyUAClientExtension.Read(client, endpointDescriptor, UANodeDescriptor('nsu=http://test.org/UA/Data/ ;i=10853')) except UAException as uaException: print('*** Failure: ' + uaException.GetBaseException().Message) exit() # Display results. print('Value: ', attributeData.Value) print('ServerTimestamp: ', attributeData.ServerTimestamp) print('SourceTimestamp: ', attributeData.SourceTimestamp) print('StatusCode: ', attributeData.StatusCode) print() print('Finished.')
// Shows how to disable and enable the OPC UA Complex Data plug-in. // // 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.UA; using OpcLabs.EasyOpc.UA.OperationModel; namespace UADocExamples.ComplexData._PluginSetup { class Enabled { public static void Main1() { // Define which server and node we will work with. UAEndpointDescriptor endpointDescriptor = "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer"; // or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported) // or "https://opcua.demo-this.com:51212/UA/SampleServer/" UANodeDescriptor nodeDescriptor = "nsu=http://test.org/UA/Data/ ;i=10239"; // [ObjectsFolder]/Data.Static.Scalar.StructureValue // We will explicitly disable the Complex Data plug-in, and read a node which returns complex data. We will // receive an object of type UAExtensionObject, which contains the encoded data in its binary form. In this // form, the data cannot be easily further processed by your application. // // Disabling the Complex Data plug-in may be useful e.g. for licensing reasons (when the product edition you // have does not support the Complex Data plug-in, and you want to avoid the associated error), or for // performance reasons (if you do not need the internal content of the value, for example if your code just // needs to take the value read, and write it elsewhere). var client1 = new EasyUAClient(); client1.InstanceParameters.PluginSetups.FindName("UAComplexDataClient").Enabled = false; object value1; try { value1 = client1.ReadValue(endpointDescriptor, nodeDescriptor); } catch (UAException uaException) { Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message); return; } Console.WriteLine(value1); // Now we will read the same value, but with the Complex Data plug-in enabled. This time we will receive an // object of type UAGenericObject, which contains the data in the decoded form, accessible for further // processing by your application. // // Note that it is not necessary to explicitly enable the Complex Data plug-in like this, because it is enabled // by default. var client2 = new EasyUAClient(); client2.InstanceParameters.PluginSetups.FindName("UAComplexDataClient").Enabled = true; object value2 = client2.ReadValue(endpointDescriptor, nodeDescriptor); Console.WriteLine(value2); // Example output: // // Binary Byte[1373]; {nsu=http://test.org/UA/Data/ ;i=11437} // (ScalarValueDataType) structured // On the first line, the type and length of the encoded data is shown, and the node ID is the encoding ID. // On the 2nd line, the kind (structured) and the name of the complex data type (ScalarValueDataType) is shown. } } }
' Shows how to disable and enable the OPC UA Complex Data plug-in. ' ' 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 System Imports OpcLabs.EasyOpc.UA Imports OpcLabs.EasyOpc.UA.OperationModel Namespace ComplexData._PluginSetup Friend Class Enabled Public Shared Sub Main1() ' Define which server we will work with. Dim endpointDescriptor As UAEndpointDescriptor = "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer" ' or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported) ' or "https://opcua.demo-this.com:51212/UA/SampleServer/" ' Define which node we will work with. Dim nodeDescriptor As UANodeDescriptor = _ "nsu=http://test.org/UA/Data/ ;i=10239" ' [ObjectsFolder]/Data.Static.Scalar.StructureValue ' We will explicitly disable the Complex Data plug-in, and read a node which returns complex data. We will ' receive an object of type UAExtensionObject, which contains the encoded data in its binary form. In this ' form, the data cannot be easily further processed by your application. ' ' Disabling the Complex Data plug-in may be useful e.g. for licensing reasons (when the product edition you ' have does not support the Complex Data plug-in, and you want to avoid the associated error), or for ' performance reasons (if you do not need the internal content of the value, for example if your code just ' needs to take the value read, and write it elsewhere). Dim client1 = New EasyUAClient client1.InstanceParameters.PluginSetups.FindName("UAComplexDataClient").Enabled = False Dim value1 As Object Try value1 = client1.ReadValue(endpointDescriptor, nodeDescriptor) Catch uaException As UAException Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message) Exit Sub End Try Console.WriteLine(value1) ' Now we will read the same value, but with the Complex Data plug-in enabled. This time we will receive an ' object of type UAGenericObject, which contains the data in the decoded form, accessible for further ' processing by your application. ' ' Note that it is not necessary to explicitly enable the Complex Data plug-in like this, because it is enabled ' by default. Dim client2 = New EasyUAClient client2.InstanceParameters.PluginSetups.FindName("UAComplexDataClient").Enabled = True Dim value2 As Object Try value2 = client2.ReadValue(endpointDescriptor, nodeDescriptor) Catch uaException As UAException Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message) Exit Sub End Try Console.WriteLine(value2) ' Example output: ' ' Binary Byte[1373]; {nsu=http://test.org/UA/Data/ ;i=11437} ' (ScalarValueDataType) structured ' On the first line, the type and length of the encoded data is shown, and the node ID is the encoding ID. ' On the 2nd line, the kind (structured) and the name of the complex data type (ScalarValueDataType) is shown. End Sub End Class End Namespace
// Shows how to disable and enable the OPC UA Complex Data plug-in. // // Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . // OPC client and subscriber examples in Object Pascal (Delphi) on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-OP . // 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. class procedure Enabled.Main; var Client1, Client2: _EasyUAClient; EndpointDescriptor: string; NodeDescriptor: string; Value1, Value2: OleVariant; begin // Define which server and node we will work with. EndpointDescriptor := //'http://opcua.demo-this.com:51211/UA/SampleServer'; //'https://opcua.demo-this.com:51212/UA/SampleServer/'; 'opc.tcp://opcua.demo-this.com:51210/UA/SampleServer'; NodeDescriptor := 'nsu=http://test.org/UA/Data/ ;i=10239'; // [ObjectsFolder]/Data.Static.Scalar.StructureValue // We will explicitly disable the Complex Data plug-in, and read a node which returns complex data. We will // receive an object of type UAExtensionObject, which contains the encoded data in its binary form. In this // form, the data cannot be easily further processed by your application. // // Disabling the Complex Data plug-in may be useful e.g. for licensing reasons (when the product edition you // have does not support the Complex Data plug-in, and you want to avoid the associated error), or for // performance reasons (if you do not need the internal content of the value, for example if your code just // needs to take the value read, and write it elsewhere). Client1 := CoEasyUAClient.Create; Client1.InstanceParameters.PluginSetups.FindName('UAComplexDataClient').Enabled := false; try Value1 := Client1.ReadValue(EndpointDescriptor, NodeDescriptor); except on E: EOleException do begin WriteLn(Format('*** Failure: %s', [E.GetBaseException.Message])); Exit; end; end; WriteLn(Value1); // Now we will read the same value, but with the Complex Data plug-in enabled. This time we will receive an // object of type UAGenericObject, which contains the data in the decoded form, accessible for further // processing by your application. // // Note that it is not necessary to explicitly enable the Complex Data plug-in like this, because it is enabled // by default. Client2 := CoEasyUAClient.Create; Client2.InstanceParameters.PluginSetups.FindName('UAComplexDataClient').Enabled := true; Value2 := Client2.ReadValue(EndpointDescriptor, NodeDescriptor); WriteLn(Value2); // Example output: // // Binary Byte[1373]; {nsu=http://test.org/UA/Data/ ;i=11437} // (ScalarValueDataType) structured // On the first line, the type and length of the encoded data is shown, and the node ID is the encoding ID. // On the 2nd line, the kind (structured) and the name of the complex data type (ScalarValueDataType) is shown. end;
# Shows how to disable and enable the OPC UA Complex Data plug-in. # # 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.UA import * from OpcLabs.EasyOpc.UA.OperationModel import * endpointDescriptor = UAEndpointDescriptor('opc.tcp://opcua.demo-this.com:51210/UA/SampleServer') # or 'http://opcua.demo-this.com:51211/UA/SampleServer' (currently not supported) # or 'https://opcua.demo-this.com:51212/UA/SampleServer/' # [ObjectsFolder]/Data.Static.Scalar.StructureValue nodeDescriptor = UANodeDescriptor('nsu=http://test.org/UA/Data/ ;i=10239') # We will explicitly disable the Complex Data plug-in, and read a node which returns complex data. We will # receive an object of type UAExtensionObject, which contains the encoded data in its binary form. In this # form, the data cannot be easily further processed by your application. # # Disabling the Complex Data plug-in may be useful e.g. for licensing reasons (when the product edition you # have does not support the Complex Data plug-in, and you want to avoid the associated error), or for # performance reasons (if you do not need the internal content of the value, for example if your code just # needs to take the value read, and write it elsewhere). client1 = EasyUAClient() client1.InstanceParameters.PluginSetups.FindName('UAComplexDataClient').Enabled = False try: value1 = IEasyUAClientExtension.ReadValue(client1, endpointDescriptor, nodeDescriptor) except UAException as uaException: print('*** Failure: ' + uaException.GetBaseException().Message) exit() print(value1) # Now we will read the same value, but with the Complex Data plug-in enabled. This time we will receive an # object of type UAGenericObject, which contains the data in the decoded form, accessible for further # processing by your application. # # Note that it is not necessary to explicitly enable the Complex Data plug-in like this, because it is enabled # by default. client2 = EasyUAClient() client2.InstanceParameters.PluginSetups.FindName('UAComplexDataClient').Enabled = True try: value2 = IEasyUAClientExtension.ReadValue(client2, endpointDescriptor, nodeDescriptor) except UAException as uaException: print('*** Failure: ' + uaException.GetBaseException().Message) exit() print(value2) print() print('Finished.')