' Developer Express Code Central Example: ' How to: Implement middle tier security with the WCF service ' ' The complete description is available in the Middle Tier Security - WCF Service ' (http://documentation.devexpress.com/#xaf/CustomDocument3439) topic. ' ' You can find sample updates and versions for different programming languages here: ' http://www.devexpress.com/example=E4036 Imports Microsoft.VisualBasic Imports System Imports System.Collections.Generic Imports System.ComponentModel Imports DevExpress.ExpressApp.Win Imports DevExpress.ExpressApp.Updating Imports DevExpress.ExpressApp Imports DevExpress.ExpressApp.Xpo Imports DevExpress.ExpressApp.Security.ClientServer Imports DevExpress.ExpressApp.Security Namespace SecuritySystemExample.Win Partial Public Class SecuritySystemExampleWindowsFormsApplication Inherits WinApplication Public Sub New() InitializeComponent() DelayedViewItemsInitialization = True End Sub Protected Overrides Sub CreateDefaultObjectSpaceProvider(ByVal args As CreateCustomObjectSpaceProviderEventArgs) args.ObjectSpaceProvider = New SecuredObjectSpaceProvider(CType(Security, SecuritySimple), args.ConnectionString, args.Connection) End Sub Private Sub SecuritySystemExampleWindowsFormsApplication_DatabaseVersionMismatch(ByVal sender As Object, ByVal e As DevExpress.ExpressApp.DatabaseVersionMismatchEventArgs) Handles MyBase.DatabaseVersionMismatch Throw New InvalidOperationException("The application cannot connect to the specified database, because the latter doesn't exist or its version is older than that of the application.") End Sub Private Sub SecuritySystemExampleWindowsFormsApplication_CustomizeLanguagesList(ByVal sender As Object, ByVal e As CustomizeLanguagesListEventArgs) Handles MyBase.CustomizeLanguagesList Dim userLanguageName As String = System.Threading.Thread.CurrentThread.CurrentUICulture.Name If userLanguageName <> "en-US" AndAlso e.Languages.IndexOf(userLanguageName) = -1 Then e.Languages.Add(userLanguageName) End If End Sub End Class End Namespace