AuditTrailService.QueryCurrentUserName Event

Occurs before AuditDataItem objects are saved. Handle this event to get the current user name in applications that do not use the Security System.

Namespace: DevExpress.Persistent.AuditTrail

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

NuGet Package: DevExpress.Persistent.BaseImpl

Declaration

C#

public event QueryCurrentUserNameEventHandler QueryCurrentUserName

VB.NET

Public Event QueryCurrentUserName As QueryCurrentUserNameEventHandler

Event Data

The QueryCurrentUserName event's data class is DevExpress.Persistent.AuditTrail.QueryCurrentUserNameEventArgs.

Remarks

The following help topic shows how to handle this event: Audit the Current User or Host Identity.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the QueryCurrentUserName event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

XAF_separate-employees-data-in-different-departments-using-security-permissions-e4045/CS/MainDemo.Win/Program.cs#L22

try {
    AuditTrailService.Instance.QueryCurrentUserName += new QueryCurrentUserNameEventHandler(Instance_QueryCurrentUserName);
    winApplication.LastLogonParametersReading += new EventHandler<LastLogonParametersReadingEventArgs>(winApplication_LastLogonParametersReading);

XPO_how-to-reuse-xaf-audit-trail-module-functionality-in-a-non-xaf-winforms-application-e2274/CS/WinExample/Form1.cs#L22

private void Form1_Load(object sender, EventArgs e) {
    AuditTrailService.Instance.QueryCurrentUserName += new QueryCurrentUserNameEventHandler(Instance_QueryCurrentUserName);
    session1.Dictionary.GetDataStoreSchema(typeof(PersistentObject1).Assembly);

VB.NET

XAF_separate-employees-data-in-different-departments-using-security-permissions-e4045/VB/MainDemo.Win/Program.vb#L21

Try
    AddHandler AuditTrailService.Instance.QueryCurrentUserName, New QueryCurrentUserNameEventHandler(AddressOf Instance_QueryCurrentUserName)
    AddHandler winApplication.LastLogonParametersReading, New EventHandler(Of LastLogonParametersReadingEventArgs)(AddressOf winApplication_LastLogonParametersReading)

XPO_how-to-reuse-xaf-audit-trail-module-functionality-in-a-non-xaf-winforms-application-e2274/VB/WinExample/Form1.vb#L24

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    AddHandler AuditTrailService.Instance.QueryCurrentUserName, AddressOf Instance_QueryCurrentUserName
    session1.Dictionary.GetDataStoreSchema(GetType(PersistentObject1).Assembly)