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Microsoft.VisualBasic.ApplicationServices Namespace

The Microsoft.VisualBasic.ApplicationServices namespace contains types that support the Visual Basic Application Model and provide access to application information.

For more information about the Visual Basic Application Model, see Overview of the Visual Basic Application Model.

  Class Description
Public class ApplicationBase Provides properties, methods, and events related to the current application.
Public class AssemblyInfo Provides properties for getting the information about the application, such as the version number, description, loaded assemblies, and so on.
Public class BuiltInRoleConverter Provides a type converter to convert BuiltInRole enumeration values to WindowsBuiltInRole enumeration values.
Public class CantStartSingleInstanceException This exception is thrown when a subsequent instance of a single-instance application is unable to connect to the first application instance.
Public class ConsoleApplicationBase Provides properties, methods, and events related to the current application.
Public class NoStartupFormException This exception is thrown by the Visual Basic Application Model when the MainForm property has not been set.
Public class StartupEventArgs Provides data for the My.Application.Startup event.
Public class StartupNextInstanceEventArgs Provides data for the My.Application.StartupNextInstance event.
Public class UnhandledExceptionEventArgs Provides data for the My.Application.UnhandledException event.
Public class User Provides access to the information about the current user.
Public class WebUser Provides access to the information about the current user.
Public class WindowsFormsApplicationBase Provides properties, methods, and events related to the current application.
  Delegate Description
Public delegate ShutdownEventHandler Represents the method that will handle the My.Application.Shutdown event.
Public delegate StartupEventHandler Represents the method that will handle the My.Application.Startup event.
Public delegate StartupNextInstanceEventHandler Represents the method that will handle the My.Application.StartupNextInstance event.
Public delegate UnhandledExceptionEventHandler Represents the method that will handle the My.Application.UnhandledException event.
  Enumeration Description
Public enumeration AuthenticationMode Indicates how a Visual Basic application authenticates the user for the My.User object.
Public enumeration BuiltInRole Indicates the type of role to check when calling the IsInRole method.
Public enumeration ShutdownMode Indicates which condition should cause a Windows Forms application to shut down.
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