TryParse Method (IUANodeIdParserExtension)

Converts the string representation of an OPC-UA node Id to equivalent node Id object. A return value indicates whether the conversion succeeded.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ExtensionAttribute()>
<CanBeNullAttribute()>
Public Shared Function TryParse( _
   ByVal nodeIdParser As IUANodeIdParser, _
   ByVal s As String, _
   ByRef nodeId As UANodeId _
) As IStringParsingError

'Usage
 
Dim nodeIdParser As IUANodeIdParser
Dim s As String
Dim nodeId As UANodeId
Dim value As IStringParsingError
 
value = IUANodeIdParserExtension.TryParse(nodeIdParser, s, nodeId)

[Extension()]
[CanBeNull()]
public static IStringParsingError TryParse( 
   IUANodeIdParser nodeIdParser,
   string s,
   out UANodeId nodeId
)

[Extension()]
[CanBeNull()]
public:
static IStringParsingError^ TryParse( 
   IUANodeIdParser^ nodeIdParser,
   String^ s,
   [Out] UANodeId^ nodeId
)

Parameters

nodeIdParser: The OPC-UA node Id parser.
s: Expanded text of the node Id.
nodeId: A OpcLabs.EasyOpc.UA.AddressSpace.UANodeId object. The converted node Id object.

Return Value

Returns null if was converted successfully; otherwise, returns an error object that describes the problem.

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.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

Reference

IUANodeIdParserExtension Class
IUANodeIdParserExtension Members

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