OPC Studio User's Guide and Reference
Combine Method (_UABrowsePath)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Navigation.ComTypes Namespace > _UABrowsePath Interface : Combine Method
The relative browse path string that the current browse path is to be combined with.

The value of this parameter can be null (Nothing in Visual Basic).

The namespace URI to be used with all elements that do not explicitly specify a namespace.

The value represents an OPC UA namespace URI string. Any string can be passed to this parameter (i.e. will not cause System.ArgumentException), but not all values make sense and will work when an operation using them is attempted.

The value of this parameter can be null (Nothing in Visual Basic).

Combines the current OPC-UA browse path with a given relative browse path string.
Syntax
'Declaration
 
Sub Combine( _
   ByVal more As String, _
   ByVal defaultNamespaceUriString As String _
) 
'Usage
 
Dim instance As _UABrowsePath
Dim more As String
Dim defaultNamespaceUriString As String
 
instance.Combine(more, defaultNamespaceUriString)

Parameters

more
The relative browse path string that the current browse path is to be combined with.

The value of this parameter can be null (Nothing in Visual Basic).

defaultNamespaceUriString
The namespace URI to be used with all elements that do not explicitly specify a namespace.

The value represents an OPC UA namespace URI string. Any string can be passed to this parameter (i.e. will not cause System.ArgumentException), but not all values make sense and will work when an operation using them is attempted.

The value of this parameter can be null (Nothing in Visual Basic).

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.

Thrown when the OPC UA browse path cannot be parsed.
Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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