Occurs when the FederationConfiguration property is accessed for the first time by one of the HTTP modules in the web application.
Assembly: System.IdentityModel.Services (in System.IdentityModel.Services.dll)
The event is raised when the first HTTP module in the web application references FederationConfiguration property. The first access of the this property causes a FederationConfiguration object to be created and initialized from the <federationConfiguration> element in the configuration file. You can access the newly created FederationConfiguration object through the FederationConfigurationCreatedEventArgs.FederationConfiguration property in an event handler in order to examine or modify it before it is used to provide initialization for any of the HTTP modules configured for the application.