Connectivity Software User's Guide and Reference
SparkplugConnectionStateChangedEventArgs Constructor(ConnectedCondition,ConnectedConditionStatistics,SparkplugConnectionDescriptor,String)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug.OperationModel Namespace > SparkplugConnectionStateChangedEventArgs Class > SparkplugConnectionStateChangedEventArgs Constructor : SparkplugConnectionStateChangedEventArgs Constructor(ConnectedCondition,ConnectedConditionStatistics,SparkplugConnectionDescriptor,String)
The connection condition to use.

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

The related connected condition statistics.

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

The Sparkplug connection descriptor.

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

The client ID for the connection to the broker.

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

Initializes a new instance of the class with the specified connection condition, statistics, connection descriptor, and client ID.
Syntax
'Declaration
 
Public Function New( _
   ByVal connectedCondition As ConnectedCondition, _
   ByVal statistics As ConnectedConditionStatistics, _
   ByVal connectionDescriptor As SparkplugConnectionDescriptor, _
   ByVal clientId As String _
)
'Usage
 
Dim connectedCondition As ConnectedCondition
Dim statistics As ConnectedConditionStatistics
Dim connectionDescriptor As SparkplugConnectionDescriptor
Dim clientId As String
 
Dim instance As New SparkplugConnectionStateChangedEventArgs(connectedCondition, statistics, connectionDescriptor, clientId)

Parameters

connectedCondition
The connection condition to use.

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

statistics
The related connected condition statistics.

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

connectionDescriptor
The Sparkplug connection descriptor.

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

clientId
The client ID for the connection to the broker.

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