File: System\Configuration\IgnoreSection.cs
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Project: src\src\libraries\System.Configuration.ConfigurationManager\src\System.Configuration.ConfigurationManager.csproj (System.Configuration.ConfigurationManager)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Xml;
 
namespace System.Configuration
{
    public sealed class IgnoreSection : ConfigurationSection
    {
        private static volatile ConfigurationPropertyCollection s_properties;
        private bool _isModified;
 
        private string _rawXml = string.Empty;
 
        public IgnoreSection()
        {
            EnsureStaticPropertyBag();
        }
 
        protected internal override ConfigurationPropertyCollection Properties => EnsureStaticPropertyBag();
 
        private static ConfigurationPropertyCollection EnsureStaticPropertyBag()
        {
            if (s_properties == null)
            {
                ConfigurationPropertyCollection properties = new ConfigurationPropertyCollection();
                s_properties = properties;
            }
 
            return s_properties;
        }
 
        protected internal override bool IsModified()
        {
            return _isModified;
        }
 
        protected internal override void ResetModified()
        {
            _isModified = false;
        }
 
        protected internal override void Reset(ConfigurationElement parentSection)
        {
            _rawXml = string.Empty;
            _isModified = false;
        }
 
        protected internal override void DeserializeSection(XmlReader xmlReader)
        {
            if (!xmlReader.Read() || (xmlReader.NodeType != XmlNodeType.Element))
                throw new ConfigurationErrorsException(SR.Config_base_expected_to_find_element, xmlReader);
            _rawXml = xmlReader.ReadOuterXml();
            _isModified = true;
        }
 
        protected internal override string SerializeSection(ConfigurationElement parentSection, string name,
            ConfigurationSaveMode saveMode)
        {
            return _rawXml;
        }
    }
}