IAFVersionable Interface
- Last UpdatedNov 18, 2025
- 2 minute read
- PI System
- AF SDK 2024 R2
- Developer
This interface defines the properties and methods for objects which support being versioned.

Namespace: OSIsoft.AF.Asset
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182
Syntax
public interface IAFVersionable
Public Interface IAFVersionable Dim instance As IAFVersionable
public interface class IAFVersionable
type IAFVersionable = interface end
The IAFVersionable type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
| QueryDate |
This read-only property returns the date used to retrieve the version of an object.
| |
| Version |
This read-only property returns the current version information as an
AFVersion object.
|
Methods
| Name | Description | |
|---|---|---|
| ApplyQueryDate |
Applies the specified query date to the current object and returns an object in the new context.
|
Remarks
Objects that support versioning implement this interface.
Use the PISystem.Supports method to check if the PISystem supports the Versioning feature.