IsPrefix Method (_UABrowsePathElementCollection)

Determines whether a given OPC-UA browse path element collection is a prefix of the current browse path element collection.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Function IsPrefix( _
   ByVal prefix As Object _
) As Boolean

'Usage
 
Dim instance As _UABrowsePathElementCollection
Dim prefix As Object
Dim value As Boolean
 
value = instance.IsPrefix(prefix)

bool IsPrefix( 
   object prefix
)

bool IsPrefix( 
   Object^ prefix
)

Parameters

prefix: A OpcLabs.EasyOpc.UA.Navigation.UABrowsePathElementCollection object. The browse path element collection to be tested as a prefix.

Return Value

True if the given browse path element collection is a prefix of the current browse path element collection; false otherwise.

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

_UABrowsePathElementCollection Interface
_UABrowsePathElementCollection Members

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