QuickOPC User's Guide and Reference
CommonPrefix Method (_BrowsePath)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Navigation.ComTypes Namespace > _BrowsePath Interface : CommonPrefix Method
The other browse path.
Determines the longest common prefix of the current browse path and a given browse path.
Syntax
'Declaration
 
<ElementsNotNullAttribute()>
<NotNullAttribute()>
Function CommonPrefix( _
   ByVal path2 As Object _
) As StringCollection
'Usage
 
Dim instance As _BrowsePath
Dim path2 As Object
Dim value As StringCollection
 
value = instance.CommonPrefix(path2)
[ElementsNotNull()]
[NotNull()]
StringCollection CommonPrefix( 
   object path2
)
[ElementsNotNull()]
[NotNull()]
StringCollection^ CommonPrefix( 
   Object^ path2
) 

Parameters

path2
The other browse path.

Return Value

The sequence of browse name that is the longest common prefix. An empty sequence 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