Assembly: Microsoft.VisualBasic (in microsoft.visualbasic.dll)
|ApplicationDefined||The WindowsFormsApplicationBase constructor does not initialize the principal for the application's main thread. The application needs to initialize the principal for the application's main thread.|
|Windows||The WindowsFormsApplicationBase constructor initializes the principal for the application's main thread with the current user's Windows user information.|
You can set the authentication mode for an application by passing one of this enumeration's values to the WindowsFormsApplicationBase constructor. For more information, see Extending the Visual Basic Application Model.
A Visual Basic application that uses the Visual Basic Application Model can specify whether it uses Windows authentication or custom authentication. You can also configure the authentication mode in the Visual Studio Integrated Development Environment. For more information, see How to: Enable Custom User Authentication.
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.