Initializes a new instance of the class.
Syntax
'Declaration
Public Function New( _
ByVal As Object, _
ByVal As UAEndpointDescriptor, _
ByVal As UANodeDescriptor, _
ByVal As UAMonitoringParameters, _
ByVal As UASubscriptionParameters, _
ByVal As Boolean _
)
'Usage
Dim state As Object
Dim endpointDescriptor As UAEndpointDescriptor
Dim nodeDescriptor As UANodeDescriptor
Dim monitoringParameters As UAMonitoringParameters
Dim subscriptionParameters As UASubscriptionParameters
Dim autoConditionRefresh As Boolean
Dim instance As New EasyUAMonitoredItemArguments(state, endpointDescriptor, nodeDescriptor, monitoringParameters, subscriptionParameters, autoConditionRefresh)
Parameters
- state
- User-defined state object.
- endpointDescriptor
- Endpoint descriptor. Identifies the OPC-UA server.
- nodeDescriptor
- Node descriptor. Identifies the node in OPC server's address space.
- monitoringParameters
- Contains monitoring parameters (such as the sampling interval, and optional data change filter).
- subscriptionParameters
- Contains subscription parameters (such as the publishing interval).
- autoConditionRefresh
- When set, a ConditionRefresh will be automatically performed when needed to keep the condition information up-to-date.
Exceptions
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. |
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