Connectivity Software User's Guide and Reference
OnSamplingIntervalChanged(UAServerOperationContext,Int32) Method



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA.NodeSpace Namespace > UADataVariable Class > OnSamplingIntervalChanged Method : OnSamplingIntervalChanged(UAServerOperationContext,Int32) Method
The context for the server operation.

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

The old value of the property.
Called when the value of the SamplingInterval property has changed.
Syntax
'Declaration
 
Protected Overloads Overridable Sub OnSamplingIntervalChanged( _
   ByVal serverOperationContext As UAServerOperationContext, _
   ByVal oldValue As Integer _
) 
'Usage
 
Dim instance As UADataVariable
Dim serverOperationContext As UAServerOperationContext
Dim oldValue As Integer
 
instance.OnSamplingIntervalChanged(serverOperationContext, oldValue)
protected virtual void OnSamplingIntervalChanged( 
   UAServerOperationContext serverOperationContext,
   int oldValue
)
protected:
virtual void OnSamplingIntervalChanged( 
   UAServerOperationContext^ serverOperationContext,
   int oldValue
) 

Parameters

serverOperationContext
The context for the server operation.

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

oldValue
The old value of the property.
Exceptions
ExceptionDescription

The value of an argument is outside the allowable range of values as defined by the invoked method.

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