C#

private void geraGzipToolStripMenuItem1_Click(object sender, EventArgs e)
{
    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<teste><dirso>ama posa</dirso></teste>");
    FileStream f = new FileStream("C:\\DADOS\\JR\\JRFW\\bin\\output\\read.xml.gz",
        FileMode.OpenOrCreate, FileAccess.Write);
    GZipEx gz = new GZipEx();
    gz.EncodeXml(doc, f);
}

public void EncodeXml(XmlDocument xml, Stream streamOut)
{
    Stream m = new MemoryStream();
    xml.Save(m);
    EncodeStream(m, streamOut);
    xml.Save("C:\\DADOS\\JR\\JRFW\\bin\\output\\teste.xml");
}

public void EncodeStream(Stream streamIn, Stream streamOut)
{
    GZipOutputStream gz = new GZipOutputStream(streamOut);
    byte[] btout = new byte[bufferSize];
    int nRead;
    while ((nRead = streamIn.Read(btout, 0, bufferSize)) > 0)
    {
        gz.Write(btout, 0, nRead);
    }
    gz.Flush();
    gz.Close();
    streamOut.Close();
}

private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)<br />
{ <br />
     // disable the timer<br />
     tmrRecData.Enabled = false;<br />
     lblStatus.Text = "Reading Data ... ";<br />
     string data = serialPort1.ReadLine();<br />
     ExtractData(data);<br />
     // enable the timer<br />
     tmrRecData.Enabled = true;<br />
}<br />
<br />
private void ExtractData(string data)<br />
{<br />
    lblStatus.Text = "Parsing Data ... ";<br />
<br />
    // the first line starts with Bin: (get the bin number)<br />
    if (data.StartsWith("Bin:"))<br />
        currBinNum = Convert.ToInt32(data.Substring(4, 6).Trim());<br />
    else if (data.Length > 10)<br />
    {<br />
        int lvIndex = -1;<br />
        ListViewItem lvi = new ListViewItem();<br />
        foreach (ListViewItem item in lvLastRead.Items)<br />
        {<br />
            if (item.Text == currBinNum.ToString("00"))<br />
            {<br />
                lvIndex = item.Index;<br />
                lvi = item;<br />
                break;<br />
            }<br />
        }<br />
        if (lvIndex == -1)<br />
        {<br />
            lvi = lvLastRead.Items.Add(new ListViewItem(currBinNum.ToString("00")));<br />
            lvIndex = lvi.Index;<br />
        }<br />
        // the first five characters represent the date (ignore them)<br />
        // set the label to the last read time and date<br />
        lblDateTime.Text = DateTime.Now.ToString("hh:mm tt MM/dd/yyyy");<br />
        // remove the date characters<br />
        string tempData = data.Substring(6, data.Length - 6);<br />
        // remove escape sequence with G character<br />
        tempData = tempData.Replace((char)0x1B + "G", "");<br />
        // remove escape sequence with H character<br />
        tempData = tempData.Replace((char)0x1B + "H", "").TrimEnd(null);<br />
        lvi.SubItems.Clear();<br />
        lvi.Text = currBinNum.ToString("00");<br />
        // every 4th character is the start of a 3 digit number for the temperature<br />
        for (int i = 0; i + 2 <= tempData.Length; i += 4)<br />
        {<br />
            string temp = tempData.Substring(i, 3).Trim();<br />
            lvi.SubItems.Add(temp);<br />
        }<br />
        lvLastRead.Items[lvIndex] = lvi;<br />
    }<br />
    lblStatus.Text = "Waiting ...";<br />
}<br />
<br />
private void tmrRecData_Tick(object sender, EventArgs e)<br />
{<br />
  //disable the timer	<br />
  tmrRecData.Enabled = false;<br />
<br />
  lblStatus.Text = "Saving Data ...";<br />
  // if the timer times out, then save the data to a csv<br />
  DirectoryInfo di = new DirectoryInfo(Application.StartupPath);<br />
  di.CreateSubdirectory("Monthly Temps " + DateTime.Now.ToString("yyyy-MM"));<br />
<br />
  TextWriter tw = new StreamWriter(Application.StartupPath + @"\Monthly Temps " + DateTime.Now.ToString("yyyy-MM") + @"\Daily Temps " + DateTime.Now.ToString("yyyy-MM-dd") + ".csv");<br />
  // write the header<br />
  tw.WriteLine("Bin,Temp. #1,Temp. #2,Temp. #3,Temp. #4,Temp. #5,Temp. #6,Temp. #7,Temp. #8,Temp. #9,Temp. #10,Temp. #11,Temp. #12,Temp. #13,Temp. #14,Temp. #15,Temp. #16,Temp. #17,Temp. #18,Temp. #19,Temp. #20,Temp. #21");<br />
  foreach (ListViewItem lvi in lvLastRead.Items)<br />
  {<br />
      string strLine = lvi.Text;<br />
      for (int i=1; i<lvi.subitems.count;>      {<br />
          strLine += "," + lvi.SubItems[i].Text;<br />
      }<br />
      tw.WriteLine(strLine);<br />
  }<br />
  tw.Close();<br />
<br />
  // print the file<br />
  lblStatus.Text = "Printing Data ...";<br />
  printPreviewDialog1.ShowDialog();<br />
  lblStatus.Text = "Waiting ...";<br />
  //printDoc.Print();<br />
}