OPC Studio User's Guide and Reference
CommonPrefixLength Method (_UABrowsePathElementCollection)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Navigation.ComTypes Namespace > _UABrowsePathElementCollection Interface : CommonPrefixLength Method
A OpcLabs.EasyOpc.UA.Navigation.UABrowsePathElementCollection object. The other browse path element collection.
Determines length of the longest common prefix of the current OPC-UA browse path element collection and a given OPC-UA browse path element collection.
Syntax
'Declaration
 
Function CommonPrefixLength( _
   ByVal collection2 As Object _
) As Integer
'Usage
 
Dim instance As _UABrowsePathElementCollection
Dim collection2 As Object
Dim value As Integer
 
value = instance.CommonPrefixLength(collection2)
int CommonPrefixLength( 
   object collection2
)
int CommonPrefixLength( 
   Object^ collection2
) 

Parameters

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

Return Value

The common prefix length. Zero if there is no common prefix.
Exceptions
ExceptionDescription

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

See Also