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 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2