OPC Studio User's Guide and Reference
PerformOperation(Func<Object>) Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.OperationModel Namespace > ValueResult Class > PerformOperation Method : PerformOperation(Func<Object>) Method
The operation to perform.

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

Performs the specified operation and return the corresponding value result.
Syntax
'Declaration
 
<NotNullAttribute()>
Public Overloads Shared Function PerformOperation( _
   ByVal operationFunction As Func(Of Object) _
) As ValueResult
'Usage
 
Dim operationFunction As Func(Of Object)
Dim value As ValueResult
 
value = ValueResult.PerformOperation(operationFunction)
[NotNull()]
public static ValueResult PerformOperation( 
   Func<object> operationFunction
)
[NotNull()]
public:
static ValueResult^ PerformOperation( 
   Func<Object^>^ operationFunction
) 

Parameters

operationFunction
The operation to perform.

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

Return Value

Returns the value result for the performed operation.

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