Calling the ApplicationManager.ShutdownAll method is equivalent to calling the HostingEnvironment.InitiateShutdown method in all application domains managed by this System.Web.Hosting.ApplicationManager instance; however, the ApplicationManager.ShutdownAll method can be called from outside the managed application domains.

Namespace: System.Web.Hosting
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0