DAItemSource Class

An abstract mapping source that represents OPC Data Access item.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ComVisibleAttribute(False)>
<CLSCompliantAttribute(True)>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
Public MustInherit Class DAItemSource 
   Inherits DAMappingSource
   Implements LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Object2

'Usage
 
Dim instance As DAItemSource

[ComVisible(false)]
[CLSCompliant(true)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
public abstract class DAItemSource : DAMappingSource, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Object2

[ComVisible(false)]
[CLSCompliant(true)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
public ref class DAItemSource abstract : public DAMappingSource, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Object2

Inheritance Hierarchy

System.Object
   OpcLabs.BaseLib.Object2
      OpcLabs.BaseLib.LiveMapping.AbstractMappingSource
         OpcLabs.EasyOpc.LiveMapping.CommonMappingSource
            OpcLabs.EasyOpc.DataAccess.LiveMapping.DAMappingSource
               OpcLabs.EasyOpc.DataAccess.LiveMapping.DAItemSource
                  OpcLabs.EasyOpc.DataAccess.LiveMapping.DAClientItemSource

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

DAItemSource Members
OpcLabs.EasyOpc.DataAccess.LiveMapping 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.