OPC Studio User's Guide and Reference
DeserializeValue Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.OperationModel Namespace > ValueResult Class : DeserializeValue Method

The value of this parameter cannot be null (Nothing in Visual Basic).

The value of this parameter cannot be null (Nothing in Visual Basic).

The value of this parameter cannot be null (Nothing in Visual Basic).

Infrastructure.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Protected Overridable Function DeserializeValue( _
   ByVal reader As XmlReader, _
   ByVal elementName As String, _
   ByVal defaultNamespace As String _
) As Object
'Usage
 
Dim instance As ValueResult
Dim reader As XmlReader
Dim elementName As String
Dim defaultNamespace As String
Dim value As Object
 
value = instance.DeserializeValue(reader, elementName, defaultNamespace)
[CanBeNull()]
protected virtual object DeserializeValue( 
   XmlReader reader,
   string elementName,
   string defaultNamespace
)
[CanBeNull()]
protected:
virtual Object^ DeserializeValue( 
   XmlReader^ reader,
   String^ elementName,
   String^ defaultNamespace
) 

Parameters

reader

The value of this parameter cannot be null (Nothing in Visual Basic).

elementName

The value of this parameter cannot be null (Nothing in Visual Basic).

defaultNamespace

The value of this parameter cannot be null (Nothing in Visual Basic).

Return Value

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.

A method call was invalid for the object's current state.

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.

An error has occurred in XML processing.
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