SystemId Property (SparkplugSystemDescriptor)

Sparkplug system ID of this descriptor.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<JetBrains.Annotations.NotNullAttribute()>
Public Property SystemId As String

'Usage
 
Dim instance As SparkplugSystemDescriptor
Dim value As String
 
instance.SystemId = value
 
value = instance.SystemId

[JetBrains.Annotations.NotNull()]
public string SystemId {get; set;}

[JetBrains.Annotations.NotNull()]
public:
property String^ SystemId {
   String^ get();
   void set (    String^ value);
}

Property Value

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

The default value of this property is "" (String.Empty).

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

The system ID is not a concept in the Sparkplug specification. It serves the purpose of distinguishing and addressing the Sparkplug systems, if multiple systems are used in a single program. It can be any string.

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

SparkplugSystemDescriptor Class
SparkplugSystemDescriptor Members

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