Microsoft.Web.Administration.ConfigurationElement.AddChild C# (CSharp) Method

        internal virtual void AddChild(ConfigurationElement child)
        {
            ChildElements.Add(child);
        }

        internal void Clone(ConfigurationElement item, ConfigurationElement newItem)
        {
            newItem.SkipCheck = true;
            foreach (ConfigurationAttribute attribute in item.Attributes)
            {
                newItem[attribute.Name] = item[attribute.Name];
            }

            foreach (ConfigurationElement child in item.ChildElements)
            {
                var newChild = newItem.ChildElements[child.ElementTagName];
                Clone(child, newChild);
            }

            if (item is ConfigurationElementCollection collection)
            {
                foreach (ConfigurationElement element in collection)
                {
                    var newElement = ((ConfigurationElementCollection)newItem).CreateNewElement(element.ElementTagName);
                    Clone(element, newElement);
                    newItem.AddChild(newElement);
                }
            }

            newItem.IsLocked  = item.IsLocked;
            newItem.SkipCheck = false;
        }