Connectivity Software User's Guide and Reference
DeviceId Property (SparkplugDevice)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug Namespace > SparkplugDevice Class : DeviceId Property
Contains device ID of this Sparkplug device.
Syntax
'Declaration
 
Public Property DeviceId As String
'Usage
 
Dim instance As SparkplugDevice
Dim value As String
 
instance.DeviceId = value
 
value = instance.DeviceId
public string DeviceId {get; set;}
public:
property String^ DeviceId {
   String^ get();
   void set (    String^ value);
}

Property Value

The value represents a Sparkplug device ID. It must be a string with valid UTF-8 characters except for the reserved characters of '+' (plus), '/' (forward slash), and '#' (number sign).

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

The default value of this property is "easyDevice".

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