CommonPrefix Method (_UABrowsePathElementCollection)

Determines the longest common prefix of the current OPC-UA browse path element collection and a given OPC-UA browse path element collection.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ElementsNotNullAttribute()>
<NotNullAttribute()>
Function CommonPrefix( _
   ByVal collection2 As Object _
) As UABrowsePathElementCollection

'Usage
 
Dim instance As _UABrowsePathElementCollection
Dim collection2 As Object
Dim value As UABrowsePathElementCollection
 
value = instance.CommonPrefix(collection2)

[ElementsNotNull()]
[NotNull()]
UABrowsePathElementCollection CommonPrefix( 
   object collection2
)

[ElementsNotNull()]
[NotNull()]
UABrowsePathElementCollection^ CommonPrefix( 
   Object^ collection2
)

Parameters

collection2: A OpcLabs.EasyOpc.UA.Navigation.UABrowsePathElementCollection object. The other browse path element collection.

Return Value

The sequence of browse names that is the longest common prefix. An empty sequence if there is no common prefix.

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

Send Documentation Feedback. Resources: Knowledge Base. Technical support: Online Forums, FAQ.