using System;

using System.IO;

using System.Xml;

​

public class Sample {

​

  private const string xml = @"<?xml version=""1.0"" encoding=""utf-8""?>

<byme_configuration xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xsi:noNamespaceSchemaLocation=""BymeConfiguration.xsd"" hash=""c8e5503c11208a185b3be4b874d4350e"" lang=""en"" timestamp=""1643969200"">

  <root_environment id=""0"" label=""House"">

    <environment id=""3"" label=""First Floor"">

      <environment id=""1"" label=""Kitchen""/>

      <environment id=""2"" label=""Living Room""/>

    </environment>

    <environment id=""4"" label=""Second Floor"">

      <environment id=""5"" label=""Bathroom""/>

      <environment id=""6"" label=""Bedroom""/>

    </environment>

  </root_environment>

  <applications>

    <application id=""0"" label=""Light"" environment_id=""1"" category_id=""1"" category=""lights"" channel_id=""0"" channel=""ON - OFF light"">

      <group id=""1"" label=""Group"">

        <group_address address=""0x0C01"" flags=""W"" >

          <dpt id=""1.001"" name=""DPT_Switch"" />    <!-- vimar_id not present, it is a standard datapoint -->

          <dptx id=""1"" name=""DPTx_OnOff""/>

        </group_address>

        <group_address address=""0x0EC9"" flags=""RT"" >

          <dpt id=""1.001"" name=""DPT_Switch"" />    <!-- vimar_id not present, it is a standard datapoint -->

          <dptx id=""75"" name=""DPTx_OnOffInfo""/>

        </group_address>

      </group>

    </application>

    <application id=""1"" label=""Thermostat"" environment_id=""6"" category_id=""4"" category=""climate control"" channel_id=""2"" channel=""Heating and Air Conditioning"">

      <group id=""1"" label=""Thermostat Group"">

        <group_address address=""0x0C3F"" flags=""W"" >

          <dpt id=""20.102"" vimar_id=""60000.60076"" name=""DPT_Vimar_HVACMode"" />    <!-- vimar_id present, it is a custom datapoint, id is the nearest one -->

          <dptx id=""212"" name=""DPTx_HvacMode""/>

        </group_address>

        <group_address address=""0x0C40"" flags=""RT"" >

          <dpt id=""20.102"" vimar_id=""60000.60076"" name=""DPT_Vimar_HVACMode"" />    <!-- vimar_id present, it is a custom datapoint, id is the nearest one -->

          <dptx id=""213"" name=""DPTx_HvacModeInfo""/>

        </group_address>

        <group_address address=""0x0C41"" flags=""W"" >

          <dpt id=""9.001"" name=""DPT_Value_Temp"" />    <!-- vimar_id not present, it is a standard datapoint -->

          <dptx id=""214"" name=""DPTx_TemperatureSetpoint1""/>

        </group_address>

        <group_address address=""0x0C42"" flags=""RT"" >

          <dpt id=""9.001"" name=""DPT_Value_Temp"" />    <!-- vimar_id not present, it is a standard datapoint -->

          <dptx id=""215"" name=""DPTx_TemperatureSetpointInfo1""/>

        </group_address>        

      </group>

      <group id=""2"" label=""Output Group 2"">

        <group_address address=""0x0C6A"" flags=""T"" >

          <dpt id=""1.001"" name=""DPT_Switch"" />    <!-- vimar_id not present, it is a standard datapoint -->

          <dptx id=""1"" name=""DPTx_OnOff""/>

        </group_address>

        <group_address address=""0x0C6B"" flags=""T"" >

          <dpt id=""5.010"" vimar_id=""60000.60083"" name=""DPT_Vimar_Fancoil_2T"" />    <!-- vimar_id present, it is a custom datapoint, id is the nearest one -->

          <dptx id=""248"" name=""DPTx_Fancoil2Pipes""/>

        </group_address>      

      </group>

    </application>  

  </applications>  

</byme_configuration>

";

​

  public static void Main() {

​

     XmlTextReader reader = null;

​

     try {

        Console.Write("===========================================================================\n");

        Console.Write("================================   Parse and list  ========================\n");

        Console.Write("===========================================================================\n");

        // Load the reader with the data file and ignore all white space nodes.

        reader = new XmlTextReader(new System.IO.StringReader(xml));

        reader.WhitespaceHandling = WhitespaceHandling.None;

​

        // Parse the file and display each of the nodes.

        while (reader.Read()) {

           switch (reader.NodeType) {

             case XmlNodeType.Element:

               Console.Write("Element: <{0}>\n", reader.Name);

               break;

             case XmlNodeType.Text:

               Console.Write(reader.Value);

               break;

             case XmlNodeType.CDATA:

               Console.Write("Text: <![CDATA[{0}]]>\n", reader.Value);

               break;

             case XmlNodeType.ProcessingInstruction:

               Console.Write("ProcessingInstruction: <?{0} {1}?>\n", reader.Name, reader.Value);

               break;

             case XmlNodeType.Comment:

               Console.Write("Comment: <!--{0}-->\n", reader.Value);

               break;

             case XmlNodeType.XmlDeclaration:

               Console.Write("XmlDeclaration: <?xml version='1.0'?>\n");

               break;

             case XmlNodeType.Document:

               break;

             case XmlNodeType.DocumentType:

               Console.Write("DocumentType: <!DOCTYPE {0} [{1}]\n", reader.Name, reader.Value);

               break;

             case XmlNodeType.EntityReference:

               Console.Write(reader.Name);

               break;

             case XmlNodeType.EndElement:

               Console.Write("EndElement: </{0}>\n", reader.Name);

               break;

           }

        }

        // XPath

        Console.Write("===========================================================================\n");

        Console.Write("==================================   XPath  ===============================\n");

        Console.Write("===========================================================================\n");

        XmlDocument doc = new XmlDocument();

        doc.Load(new System.IO.StringReader(xml));

        XmlElement root = doc.DocumentElement;

        XmlNodeList nodes = root.SelectNodes(".//environment"); // You can also use XPath here

        Console.Write("XmlNodeList: {0} environments\n", nodes.Count);

        foreach (XmlNode node in nodes) {

         Console.Write("XmlNode: {0} id={1} name={2}\n", node.Name, node.Attributes["id"].Value, node.Attributes["label"].Value);

        }

     }

​

     finally {

        if (reader!=null)

          reader.Close();

     }

  }

} // End class