UADiscreteItemNode<TValue,TAttribute> Class

This VariableType is an abstract type. I.e., no instances of this type can exist. However, it might be used in a filter when browsing or querying. The DiscreteItemType derives from the DataItemType and therefore shares all of its characteristics.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ComVisibleAttribute(False)>
<UATypeDefinitionIdAttribute("nsu=http://opcfoundation.org/UA/;i=2372")>
<UANamespaceAttribute("http://opcfoundation.org/UA/")>
<UATypeAttribute()>
<CLSCompliantAttribute(True)>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
Public MustInherit Class UADiscreteItemNode
    (Of TValue,TAttribute) 
   Inherits UADataItemNode(Of TValue,TAttribute)

'Usage
 
Dim instance As UADiscreteItemNode(Of TValue,TAttribute)

[ComVisible(false)]
[UATypeDefinitionId("nsu=http://opcfoundation.org/UA/;i=2372")]
[UANamespace("http://opcfoundation.org/UA/")]
[UAType()]
[CLSCompliant(true)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
public abstract class UADiscreteItemNode<TValue,TAttribute> : UADataItemNode<TValue,TAttribute>

[ComVisible(false)]
[UATypeDefinitionId("nsu=http://opcfoundation.org/UA/;i=2372")]
[UANamespace("http://opcfoundation.org/UA/")]
[UAType()]
[CLSCompliant(true)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
generic<typename TValue>
generic<typename TAttribute>
public ref class UADiscreteItemNode abstract : public UADataItemNode<TValue,TAttribute>

Type Parameters

TValue: The type of the UABaseDataVariable<TValue,TAttribute>.Value of the node.
TAttribute: The type used to access the Value attribute.

Inheritance Hierarchy

System.Object
   OpcLabs.BaseLib.LiveMapping.MappedObject
      OpcLabs.EasyOpc.UA.LiveMapping.UAMappedNode
         OpcLabs.EasyOpc.UA.InformationModel.UABaseVariable<TValue,TAttribute>
            OpcLabs.EasyOpc.UA.InformationModel.UABaseDataVariable<TValue,TAttribute>
               OpcLabs.EasyOpc.UA.DataAccess.UADataItemNode<TValue,TAttribute>
                  OpcLabs.EasyOpc.UA.DataAccess.UADiscreteItemNode<TValue,TAttribute>
                     OpcLabs.EasyOpc.UA.DataAccess.UAMultiStateDiscreteNode<TValue,TAttribute>
                     OpcLabs.EasyOpc.UA.DataAccess.UATwoStateDiscreteNode

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

UADiscreteItemNode<TValue,TAttribute> Members
OpcLabs.EasyOpc.UA.DataAccess Namespace

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