IAFChangedEvent Interface
- Last UpdatedJan 12, 2026
- 2 minute read
- PI System
- AF SDK 3.2.0
- Developer
This interface defines the Changed event that is implemented on objects
that support notification of changes.
Namespace: OSIsoft.AF
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.2.0.7
Syntax
public interface IAFChangedEvent
Public Interface IAFChangedEvent Dim instance As IAFChangedEvent
public interface class IAFChangedEvent
type IAFChangedEvent = interface end
The IAFChangedEvent type exposes the following members.
Events
| Name | Description | |
|---|---|---|
  | Changed |
Event is raised when the object or one of its sub-objects is changed.
|
Remarks
Objects that support notification of changes implement this interface. All
IAFTransactable objects implement this interface.