OPC Studio User's Guide and Reference
Failure(Exception) Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.OperationModel Namespace > ValueResult Class > Failure Method : Failure(Exception) Method
Information about the reason of the failure of the operation.

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

Returns a failed value result with given exception.
Syntax
'Declaration
 
<NotNullAttribute()>
Public Overloads Shared Shadows Function Failure( _
   ByVal exception As Exception _
) As ValueResult
'Usage
 
Dim exception As Exception
Dim value As ValueResult
 
value = ValueResult.Failure(exception)
[NotNull()]
public new static ValueResult Failure( 
   Exception exception
)
[NotNull()]
public:
new static ValueResult^ Failure( 
   Exception^ exception
) 

Parameters

exception
Information about the reason of the failure of the operation.

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

Return Value

The failed value result.

This method never returns 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.

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