Connectivity Software User's Guide and Reference
SparkplugMetricReadEventArgs Constructor(EasySparkplugEdgeNodeCore,SparkplugDevice,SparkplugMetric)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug.OperationModel Namespace > SparkplugMetricReadEventArgs Class > SparkplugMetricReadEventArgs Constructor : SparkplugMetricReadEventArgs Constructor(EasySparkplugEdgeNodeCore,SparkplugDevice,SparkplugMetric)
The Sparkplug edge node.

The value of this parameter cannot be null (Nothing in Visual Basic).

The Sparkplug device.

The value of this parameter can be null (Nothing in Visual Basic).

The Sparkplug metric.

The value of this parameter cannot be null (Nothing in Visual Basic).

Initializes a new instance of the class with the specified edge node, (optional) device, and metric.
Syntax
'Declaration
 
Public Function New( _
   ByVal edgeNode As EasySparkplugEdgeNodeCore, _
   ByVal device As SparkplugDevice, _
   ByVal metric As SparkplugMetric _
)
'Usage
 
Dim edgeNode As EasySparkplugEdgeNodeCore
Dim device As SparkplugDevice
Dim metric As SparkplugMetric
 
Dim instance As New SparkplugMetricReadEventArgs(edgeNode, device, metric)

Parameters

edgeNode
The Sparkplug edge node.

The value of this parameter cannot be null (Nothing in Visual Basic).

device
The Sparkplug device.

The value of this parameter can be null (Nothing in Visual Basic).

metric
The Sparkplug metric.

The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

 

Sparkplug is a trademark of Eclipse Foundation, Inc. "MQTT" is a trademark of the OASIS Open standards consortium. Other related terms are trademarks of their respective owners. Any use of these terms on this site is for descriptive purposes only and does not imply any sponsorship, endorsement or affiliation.

Requirements

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

See Also