System.Configuration.HandlerBase.ThrowUnrecognizedElement C# (CSharp) Метод

        internal static void ThrowUnrecognizedElement(XmlNode node) {
            throw new ConfigurationErrorsException(
                            SR.GetString(SR.Config_base_unrecognized_element),
                            node);
        }

        internal static object CreateStatic(object parent, XmlNode section, string keyAttriuteName, string valueAttributeName)
        {
            ReadOnlyNameValueCollection result;

            // start result off as a shallow clone of the parent

            if (parent == null)
            {
                result = new ReadOnlyNameValueCollection(StringComparer.OrdinalIgnoreCase);
            }
            else
            {
                ReadOnlyNameValueCollection parentCollection = (ReadOnlyNameValueCollection)parent;
                result = new ReadOnlyNameValueCollection(parentCollection);
            }

            // process XML

            HandlerBase.CheckForUnrecognizedAttributes(section);

            foreach (XmlNode child in section.ChildNodes)
            {
                // skip whitespace and comments
                if (HandlerBase.IsIgnorableAlsoCheckForNonElement(child))
                {
                    continue;
                }

                // handle <set>, <remove>, <clear> tags
                if (child.Name == "add")
                {
                    String key   = HandlerBase.RemoveRequiredAttribute(child, keyAttriuteName);
                    String value = HandlerBase.RemoveRequiredAttribute(child, valueAttributeName, true /*allowEmptyString*/);
                    HandlerBase.CheckForUnrecognizedAttributes(child);

                    result[key] = value;
                }
                else if (child.Name == "remove")
                {
                    String key = HandlerBase.RemoveRequiredAttribute(child, keyAttriuteName);
                    HandlerBase.CheckForUnrecognizedAttributes(child);

                    result.Remove(key);
                }
                else if (child.Name.Equals("clear"))
                {
                    HandlerBase.CheckForUnrecognizedAttributes(child);
                    result.Clear();
                }
                else
                {
                    HandlerBase.ThrowUnrecognizedElement(child);
                }
            }

            result.SetReadOnly();

            return(result);
        }