OPC Studio User's Guide and Reference
TryParse Method (_UAQualifiedNameParser)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.AddressSpace.Parsing.ComTypes Namespace > _UAQualifiedNameParser Interface : TryParse Method
Expanded text of the qualified name.

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

A OpcLabs.EasyOpc.UA.AddressSpace.UAQualifiedName object. The converted qualified name object.

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

Converts the string representation of a qualified name to equivalent qualified name object. A return value indicates whether the conversion succeeded.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Function TryParse( _
   ByVal s As String, _
   ByRef qualifiedName As Object _
) As _StringParsingError
'Usage
 
Dim instance As _UAQualifiedNameParser
Dim s As String
Dim qualifiedName As Object
Dim value As _StringParsingError
 
value = instance.TryParse(s, qualifiedName)
[CanBeNull()]
_StringParsingError TryParse( 
   string s,
   out object qualifiedName
)
[CanBeNull()]
_StringParsingError^ TryParse( 
   String^ s,
   [Out] Object^ qualifiedName
) 

Parameters

s
Expanded text of the qualified name.

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

qualifiedName
A OpcLabs.EasyOpc.UA.AddressSpace.UAQualifiedName object. The converted qualified name object.

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

Return Value

Returns null if s was converted successfully; otherwise, returns an error object that describes the problem.

This method can return 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.

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