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<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <param key="Port" value="COM9" />
  <param key="Speed" value="38400" />
  <param key="Block" value="1000" />
  <param key="Handshake" value="NONE" />
  <param key="Timeout" value="30000" />
</configuration>                    

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            dlgOpen.ShowDialog();
            string contents = "";
            XmlReaderSettings settings = new XmlReaderSettings();
            settings.ConformanceLevel = ConformanceLevel.Fragment;
            settings.IgnoreWhitespace = true;
            settings.IgnoreComments = true;
            XmlReader reader = XmlReader.Create(dlgOpen.FileName, settings);

            reader.ReadStartElement("configuration");

            do
            {
                switch (reader[0])
                {
                    case "DirectPort" :
                    case "DirectSpeed":
                    case "DirectBlock":
                    case "DirectHandshake":
                    case "DirectTimeout":
                        {
                            contents += reader[0] + " = " + reader[1] + "\r\n";
                            break;
                        }
                }

            } while (reader.ReadToNextSibling("param"));

            tbxProtokoll.Text = contents;
        }