Resets the ConfigurationElementCollection to its unmodified state when overridden in a derived class.
Assembly: System.Configuration (in System.Configuration.dll)
The default behavior for the method is to clear any modified elements a ConfigurationElementCollection object contains and to set the modified elements to the values specified by their parent configuration file. If any element in the ConfigurationElementCollection has child elements, is also called on those child elements.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.