Browse Method (IUAReadOnlyModelProvider)

Browses the nodes and references between nodes in the information model.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<NotNullAttribute()>
Function Browse( _
   ByVal modelNodeDescriptor As UAModelNodeDescriptor, _
   ByVal browseParameters As UABrowseParameters _
) As UANodeElementCollectionResult

'Usage
 
Dim instance As IUAReadOnlyModelProvider
Dim modelNodeDescriptor As UAModelNodeDescriptor
Dim browseParameters As UABrowseParameters
Dim value As UANodeElementCollectionResult
 
value = instance.Browse(modelNodeDescriptor, browseParameters)

[NotNull()]
UANodeElementCollectionResult Browse( 
   UAModelNodeDescriptor modelNodeDescriptor,
   UABrowseParameters browseParameters
)

[NotNull()]
UANodeElementCollectionResult^ Browse( 
   UAModelNodeDescriptor^ modelNodeDescriptor,
   UABrowseParameters^ browseParameters
)

Parameters

modelNodeDescriptor: Model node descriptor. Identifies the node in OPC UA information model.
The value of this parameter cannot be null (Nothing in Visual Basic).
browseParameters: Specifies which nodes will be returned by browsing the OPC server's address space.
The value of this parameter cannot be null (Nothing in Visual Basic).

Return Value

Returns a OpcLabs.EasyOpc.UA.OperationModel.UANodeElementCollectionResult with information about the nodes related to the model node.

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

Exceptions

Exception Description

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.
System.InvalidOperationException	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.

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.

System.InvalidOperationException

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.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

IUAReadOnlyModelProvider Interface
IUAReadOnlyModelProvider Members

Documentation Home, Send Documentation Feedback. Technical Support