<?xml version="1.0" encoding="utf-8" ?>
<Configuration version="1.2" createDate="2018-07-17T10:00:00">
    <AutoScale>1</Autoscale>
    <Threshold>2142</Threshold>
    <MinAuto>14</MinAuto>
    <MinMan>1</MinMan>
    <MaxMan>1</MaxMan>
    <BlueBackground>1</BlueBackground>
    <Contour>1</Contour>
    <Rotate>180</Rotate>
    <Flip>Vertical</Flip>
</Configuration>

using (var openFileDialogXML = new OpenFileDialog()){
      System.IO.Stream myStream = null;
      openFileDialogXML.InitialDirectory = @System.Environment.CurrentDirectory;
      openFileDialogXML.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
      openFileDialogXML.FilterIndex = 1;
      openFileDialogXML.RestoreDirectory = true;

      DialogResult dr = openFileDialogXML.ShowDialog();

      if (dr == System.Windows.Forms.DialogResult.OK)
      {
            using (XmlReader reader = XmlReader.Create(openFileDialogXML.FileName))
            {
                 reader.MoveToContent();
                 var version = reader.GetAttribute("version");
                 while (reader.Read())
                 {
                     if (reader.NodeType == XmlNodeType.Element)
                     {
                          switch (reader.Name)
                          {
                               case "AutoScale":
                                    //Get AutoScale value
                                    break;
                               case "Threshold":
                                    break;
                               case "MinAuto":
                                    break;
                               case "MinMan":
                                    break;
                               case "MaxMan":
                                    break;
                               }

                            }
                        }
                    }