AuditTrailService.GetStrategy(Session) Method

Gets the audit strategy for the specified session.

Namespace: DevExpress.Persistent.AuditTrail

Assembly: DevExpress.Persistent.BaseImpl.v20.2.dll

NuGet Package: DevExpress.Persistent.BaseImpl

Declaration

C#

public AuditTrailStrategy? GetStrategy(
    Session session
)

VB.NET

Public Function GetStrategy(
    session As Session
) As AuditTrailStrategy?

Parameters

Name	Type	Description
session	Session	The Session object whose audit strategy this method returns.

Returns

Type	Description
Nullable<DevExpress.Persistent.AuditTrail.AuditTrailStrategy>	The session‘s audit strategy.

Remarks

The AuditTrailStrategy contains the following values:

• OnObjectLoaded
  The Audit Trail Module starts auditing an object when it is loaded.
• OnObjectChanged
  The Audit Trail Module starts auditing an object when it is changed.

The following code demonstrates how to call this method:

C#

using DevExpress.ExpressApp;
using DevExpress.Persistent.AuditTrail;
using DevExpress.Xpo;
// ...
public class MyController : ViewController {
    protected override void OnActivated() {
        base.OnActivated();
        Session session = ((XPObjectSpace)ObjectSpace).Session;
        if (AuditTrailService.Instance.GetStrategy(session).HasValue &&
            AuditTrailService.Instance.GetStrategy(session).Value == AuditTrailStrategy.OnObjectLoaded) {
            // ...
        }
    }
    // ...
}

VB.NET

Imports DevExpress.ExpressApp
Imports DevExpress.Persistent.AuditTrail
Imports DevExpress.Xpo
' ...
Public Class MyController
    Inherits ViewController
    Protected Overrides Sub OnActivated()
        MyBase.OnActivated()
        Dim session As Session = CType(ObjectSpace, XPObjectSpace).Session
        If AuditTrailService.Instance.GetStrategy(session).HasValue AndAlso 
        AuditTrailService.Instance.GetStrategy(session).Value = AuditTrailStrategy.OnObjectLoaded Then
            ' ...
        End If
    End Sub
    ' ...
End Class