private void button1_Click(object sender, EventArgs e)
{
XmlDocument xmlDoc = new XmlDocument();
//建立Xml的定义声明
XmlDeclaration dec = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);
xmlDoc.AppendChild(dec);
//创建根节点
XmlElement root = xmlDoc.CreateElement("FilesInformation");
xmlDoc.AppendChild(root);
XmlElement version = xmlDoc.CreateElement("version");
version.InnerText = "1.0.1818.42821";
root.AppendChild(version);
XmlElement description = xmlDoc.CreateElement("description");
description.InnerText = "说明";
root.AppendChild(description);
XmlElement fileItem = xmlDoc.CreateElement("FileItem");
fileItem.SetAttribute("FileName", "name");
fileItem.SetAttribute("FileVersion", "xx");
fileItem.SetAttribute("FileLength", "xxx");
fileItem.SetAttribute("FileCreationTime", "xxxx");
root.AppendChild(fileItem);
xmlDoc.Save("test.xml");
}