SystemDescriptor Property (EasySparkplugHostApplication)

The effective descriptor of the Sparkplug system that this component is part of.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Property SystemDescriptor As SparkplugSystemDescriptor

'Usage
 
Dim instance As EasySparkplugHostApplication
Dim value As SparkplugSystemDescriptor
 
instance.SystemDescriptor = value
 
value = instance.SystemDescriptor

public SparkplugSystemDescriptor SystemDescriptor {get; set;}

public:
property SparkplugSystemDescriptor^ SystemDescriptor {
   SparkplugSystemDescriptor^ get();
   void set (    SparkplugSystemDescriptor^ value);
}

Property Value

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

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	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.

System.ArgumentNullException

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

In the simplest case, the role of the system descriptor is to provide the address of the MQTT broker.

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

Reference

EasySparkplugHostApplication Class
EasySparkplugHostApplication Members

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