EasyDAItemChangedEventArgs<TValue> Class

Provides typed data for an event raised for every significant change in a subscribed OPC item.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ComVisibleAttribute(False)>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<CLSCompliantAttribute(True)>
<SerializableAttribute()>
Public NotInheritable Class EasyDAItemChangedEventArgs(Of TValue) 
   Inherits OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs
   Implements OpcLabs.BaseLib.OperationModel.ComTypes._OperationEventArgs, OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._EasyDAItemChangedEventArgs, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

'Usage
 
Dim instance As EasyDAItemChangedEventArgs(Of TValue)

[ComVisible(false)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[CLSCompliant(true)]
[Serializable()]
public sealed class EasyDAItemChangedEventArgs<TValue> : OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs, OpcLabs.BaseLib.OperationModel.ComTypes._OperationEventArgs, OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._EasyDAItemChangedEventArgs, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

[ComVisible(false)]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[CLSCompliant(true)]
[Serializable()]
generic<typename TValue>
public ref class EasyDAItemChangedEventArgs sealed : public OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs, OpcLabs.BaseLib.OperationModel.ComTypes._OperationEventArgs, OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._EasyDAItemChangedEventArgs, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

Type Parameters

TValue: The type of item value.

Remarks

There are implicit conversions from this type to:

OpcLabs.EasyOpc.DataAccess.ComplexEventProcessing.DAItemChangedPayload<TValue>.

Inheritance Hierarchy

System.Object
   System.EventArgs
      OpcLabs.BaseLib.OperationModel.OperationEventArgs
         OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs
            OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventArgs<TValue>

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

EasyDAItemChangedEventArgs<TValue> Members
OpcLabs.EasyOpc.DataAccess.Generic Namespace

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