C#

public void XMLStrings(string filename)
      {
          // Create an instance of the XmlSerializer specifying type and namespace.
          XmlSerializer serializer = new
          XmlSerializer(typeof(XMLClass));

          // A FileStream is needed to read the XML document.
          FileStream fs = new FileStream(filename, FileMode.Open);
          XmlReader reader = XmlReader.Create(fs);

          // Declare an object variable of the type to be deserialized.
          XMLClass i;

          // Use the Deserialize method to restore the object's state.
          i = (XMLClass)serializer.Deserialize(reader);
          fs.Close();

          // Write out the properties of the object.
          textBox1.AppendText(
          i.something1 + "\t" +
          i.something2 + "\t" +
          i.something3);

      }

XMLClass i = new XMLClass();

using(StreamReader stream = new StreamReader(filename))
    i = (XMLClass)serializer.Deserialize(stream);

public void XMLStrings(string filename)
        {
            // Create an instance of the XmlSerializer specifying type and namespace.
            XmlSerializer serializer = new
            XmlSerializer(typeof(XMLClass));

            // A Stream is needed to read the XML document.
            XMLClass i = new XMLClass();
            using (StreamReader stream = new StreamReader(filename))
                i = (XMLClass)serializer.Deserialize(stream);                            
        }
<pre>private void loadXMLData_Click(object sender, EventArgs e) =>
            // Read XML file
            XMLStrings(@"C:\User.config");

public class XMLClass
{
    [System.Xml.Serialization.XmlElement("ID")]
    public int ID { get; set; }
    [System.Xml.Serialization.XmlElement("Name")]
    public string Name { get; set; }
}

<XMLClass>
    <ID> 1 </ID>
    <Name> Bob </Name>
</XMLClass>

XMLDocument doc = new XMLDocument();
doc.LoadXML(filename);
foreach(XmlNode node in doc.DocumentElement.ChildNodes){
   string text = node.InnerText; //or loop through its children as well
}

xmlvalue = node.SelectSingleNode("/setting name="AppXml"/value").InnerText;

private void LoadXMLData_Click(object sender, EventArgs e)
        {
            XmlDocument xdoc = new XmlDocument();
            xdoc.Load("C:\\user.config");
            XmlNodeList nodes = xdoc.DocumentElement.SelectNodes("/configuration/userSettings/nextnode/setting");
            string xmlvalue = "";
            foreach (XmlNode node in nodes)
            {
                if (xmlvalue != null)
                {
                    xmlvalue = node.SelectSingleNode("value").InnerText;
                    string xmlvalue2 = System.Text.Encoding.UTF8.GetString(System.Convert.FromBase64String(xmlvalue));
                    MessageBox.Show(xmlvalue2);
                }
            }
        }

<configuration>
    <userSettings>
        <AppCentral.App.Service.Core.Properties.Settings>
            <setting name="AppXml" serializeAs="String">
                <value>PD94bWwgdmVyc2lvbj0iMS4wIj8+DQo8QXBwTW9kZWwgeG1sbnM6eHNpPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxL1hNTFNjaGVtYS1pbnN0YW5jZSIgeG1sbnM6eHNkPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxL1hNTFNjaGVtYSI+DQogIDxDR1VJRD4xMjM0NTY3ODk8L0NHVUlEPg0KICA8Q0lEPjEyMzwvQ0lEPg0KICA8Q051bWJlcj4xMjM0PC9DTnVtYmVyPg0KICA8Q05hbWU+VEVTVDwvQ05hbWU+DQogIDxIYXNDSEluc3RhbGw+ZmFsc2U8L0hhc0NISW5zdGFsbD4NCiAgPFZlbmRvcklEPjA8L1ZlbmRvcklEPg0KPC9BcHBNb2RlbD4=</value>
            </setting>
            <setting name="TXml" serializeAs="String">
                <value>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</value>
            </setting>
            <setting name="DXml" serializeAs="String">
                <value>PD94bWwgdmVyc2lvbj0iMS4wIj8+DQo8QXJyYXlPZkRNb2RlbCB4bWxuczp4c2k9Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvWE1MU2NoZW1hLWluc3RhbmNlIiB4bWxuczp4c2Q9Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvWE1MU2NoZW1hIj4NCiAgPERNb2RlbD4NCiAgICA8Q0RJRD4xPC9DRElEPg0KICAgIDxOYW1lPkQxPC9OYW1lPg0KICAgIDxUeXBlPjE8L1R5cGU+DQogICAgPENQb3J0PjE8L0NQb3J0Pg0KICAgIDxSSW5kZXg+MTwvUkluZGV4Pg0KICAgIDxJc0FjdGl2ZT5mYWxzZTwvSXNBY3RpdmU+DQogICAgPE9wYWNpdHk+MDwvT3BhY2l0eT4NCiAgICA8U2NoZWR1bGVzIC8+DQogIDwvRE1vZGVsPg0KICA8RE1vZGVsPg0KICAgIDxDRElEPjI8L0NESUQ+DQogICAgPE5hbWU+VDE8L05hbWU+DQogICAgPFR5cGU+ODwvVHlwZT4NCiAgICA8Q1BvcnQ+NTwvQ1BvcnQ+DQogICAgPFJJbmRleD4xPC9SSW5kZXg+DQogICAgPElzQWN0aXZlPmZhbHNlPC9Jc0FjdGl2ZT4NCiAgICA8T3BhY2l0eT4wPC9PcGFjaXR5Pg0KICAgIDxTY2hlZHVsZXMgLz4NCiAgPC9ETW9kZWw+DQogIDxETW9kZWw+DQogICAgPENESUQ+MzwvQ0RJRD4NCiAgICA8TmFtZT5EMjwvTmFtZT4NCiAgICA8VHlwZT4xPC9UeXBlPg0KICAgIDxDUG9ydD4zPC9DUG9ydD4NCiAgICA8UkluZGV4PjE8L1JJbmRleD4NCiAgICA8SXNBY3RpdmU+ZmFsc2U8L0lzQWN0aXZlPg0KICAgIDxPcGFjaXR5PjA8L09wYWNpdHk+DQogICAgPFNjaGVkdWxlcz4NCiAgICAgIDxEU2NoZWR1bGU+DQogICAgICAgIDxDRFNjaGVkdWxlSUQ+MDwvQ0RTY2hlZHVsZUlEPg0KICAgICAgICA8SG91clN0YXJ0PjY8L0hvdXJTdGFydD4NCiAgICAgICAgPEhvdXJFbmQ+NzwvSG91ckVuZD4NCiAgICAgICAgPElzQXZhaWxhYmxlPnRydWU8L0lzQXZhaWxhYmxlPg0KICAgICAgPC9EU2NoZWR1bGU+DQogICAgPC9TY2hlZHVsZXM+DQogIDwvRE1vZGVsPg0KPC9BcnJheU9mRE1vZGVsPg==</value>
            </setting>
            <setting name="CurrentVersion" serializeAs="String">
                <value>1</value>
            </setting>
        </AppCentral.App.Service.Core.Properties.Settings>
    </userSettings>
</configuration>

<?xml version="1.0"?>
<AppModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <CGUID>123456789</CGUID>
  <CID>123</CID>
  <CNumber>1234</CNumber>
  <CName>TEST</CName>
  <HasCHInstall>false</HasCHInstall>
  <VendorID>0</VendorID>
</AppModel>