how to write a xml file with the following format?

[PT Exorcist]

<?xml version="1.0" encoding="windows-1252" standalone="yes"?>
<DCPlusPlus>
<Settings>
<Connection type="string">Cable</Connection>
<DownloadDirectory type="string">G:\DOWNLOADS\DC++\</DownloadDirectory>
<Nick type="string">Iniquity</Nick>
</Settings>
<Share>
<Directory>G:\metal albuns</Directory>
<Directory>G:\mp3</Directory>
</Share>
</DCPlusPlus>

How can I do it? With which classes?