Connectivity Software User's Guide and Reference
PerformPoll Method (SparkplugMetric)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug Namespace > SparkplugMetric Class : PerformPoll Method
Performs a poll operation on the metric.
Syntax
'Declaration
 
Public Sub PerformPoll() 
'Usage
 
Dim instance As SparkplugMetric
 
instance.PerformPoll()
public void PerformPoll()
public:
void PerformPoll(); 
Exceptions
ExceptionDescription

A method call was invalid for the object's current state.

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.

An operation was performed on a disposed object.
Remarks

The result of the poll is stored into the ReadData property.

If the ReadData change, they are automatically published.

 

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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