DAConnectivity Class

Provides point connectivity to OPC Data Access (COM-based) and OPC XML-DA servers.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CLSCompliantAttribute(True)>
<ComVisibleAttribute(False)>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<DesignerCategoryAttribute("Component")>
<SerializableAttribute()>
Public NotInheritable Class DAConnectivity 
   Inherits DAConnectivityCore
   Implements OpcLabs.BaseLib.Configuration.Abstract.Internal.IConfigurationService, OpcLabs.BaseLib.Connectivity.IConnectivity, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.Instrumentation.ILoggingHandler, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, System.ComponentModel.IComponent, System.ComponentModel.ISupportInitialize, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

'Usage
 
Dim instance As DAConnectivity

[CLSCompliant(true)]
[ComVisible(false)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[DesignerCategory("Component")]
[Serializable()]
public sealed class DAConnectivity : DAConnectivityCore, OpcLabs.BaseLib.Configuration.Abstract.Internal.IConfigurationService, OpcLabs.BaseLib.Connectivity.IConnectivity, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.Instrumentation.ILoggingHandler, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, System.ComponentModel.IComponent, System.ComponentModel.ISupportInitialize, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

[CLSCompliant(true)]
[ComVisible(false)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[DesignerCategory("Component")]
[Serializable()]
public ref class DAConnectivity sealed : public DAConnectivityCore, OpcLabs.BaseLib.Configuration.Abstract.Internal.IConfigurationService, OpcLabs.BaseLib.Connectivity.IConnectivity, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.Instrumentation.ILoggingHandler, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, System.ComponentModel.IComponent, System.ComponentModel.ISupportInitialize, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

Inheritance Hierarchy

System.Object
   System.MarshalByRefObject
      System.ComponentModel.Component
         OpcLabs.BaseLib.Widgets.Widget
            OpcLabs.BaseLib.Connectivity.ConnectivityBase
               OpcLabs.EasyOpc.DataAccess.Connectivity.DAConnectivityCore
                  OpcLabs.EasyOpc.DataAccess.Connectivity.DAConnectivity

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

DAConnectivity Members
OpcLabs.EasyOpc.DataAccess.Connectivity Namespace

Documentation Home, Send Feedback. Resources: Knowledge Base, Product Downloads. Technical support: Online Forums, FAQ.

Missing some example? Ask us for it on our Online Forums! You do not have to own a commercial license in order to use Online Forums, and we reply to every post.