OPC Studio User's Guide and Reference
Create<TValue>(IEnumerable<UAMonitoredItemArguments>) Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Reactive Namespace > UADataChangeNotificationObservable Class > Create Method : Create<TValue>(IEnumerable<UAMonitoredItemArguments>) Method
For each OPC monitored item, contains its OPC UA endpoint and node descriptors, as well as monitoring and subscription parameters.

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

Creates a new data change observable for multiple OPC UA node attribute given by OpcLabs.EasyOpc.UA.OperationModel.UAMonitoredItemArguments objects.
Syntax

Parameters

arguments
For each OPC monitored item, contains its OPC UA endpoint and node descriptors, as well as monitoring and subscription parameters.

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

Type Parameters

TValue

Return Value

Returns an observable for changes in the given OPC UA monitored items.

This method never returns null (Nothing in Visual Basic).

Remarks
The UAReactive.DefaultClientSelector selector will be used for OPC Unified Architecture operations.
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