OPC Studio User's Guide and Reference
EasyUADataChangeArguments<TValue> Constructor(Object,UAEndpointDescriptor,UANodeDescriptor,UAMonitoringParameters)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Generic Namespace > EasyUADataChangeArguments<TValue> Class > EasyUADataChangeArguments<TValue> Constructor : EasyUADataChangeArguments<TValue> Constructor(Object,UAEndpointDescriptor,UANodeDescriptor,UAMonitoringParameters)
User-defined state object.
Endpoint descriptor. Identifies the OPC-UA server.
Node descriptor. Identifies the node in OPC server's address space.
Contains monitoring parameters (such as the sampling interval, and optional data change filter).
Syntax
'Declaration
 
Public Function New( _
   ByVal state As Object, _
   ByVal endpointDescriptor As UAEndpointDescriptor, _
   ByVal nodeDescriptor As UANodeDescriptor, _
   ByVal monitoringParameters As UAMonitoringParameters _
)
'Usage
 
Dim state As Object
Dim endpointDescriptor As UAEndpointDescriptor
Dim nodeDescriptor As UANodeDescriptor
Dim monitoringParameters As UAMonitoringParameters
 
Dim instance As New EasyUADataChangeArguments(Of TValue)(state, endpointDescriptor, nodeDescriptor, monitoringParameters)

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).
Remarks

You can obtain nodeDescriptor e.g. by calling one of the browsing methods on OpcLabs.EasyOpc.UA.EasyUAClientCore object.

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