The System.Web.Configuration.RootProfilePropertySettingsCollection class is both a root-level System.Web.Configuration.ProfilePropertySettingsCollection collection and a container for a System.Web.Configuration.ProfileGroupSettingsCollection collection. These collections allow you to create named groups of more System.Web.Configuration.ProfilePropertySettingsCollection collections, each containing individual named System.Web.Configuration.ProfilePropertySettings objects. For more information about the profile features added to vstecasplong, see Creating Web Sites for Individual Users.

The ProfileSection.PropertySettings property is a System.Web.Configuration.RootProfilePropertySettingsCollection object that contains all the properties defined within the properties subsection of the profile section of the configuration file.