如何创建XML文件

XML文件的格式如下,请问如何在WINForm程序中创建?

<?xml version="1.0" encoding="gb2312"?>
<FilesInformation>
  <version>1.0.1818.42821</version>
  <description>说明</description>
  <FileItem  
  FileName="name"
  FileVersion="sdf"
  FileLength="sdf"
  FileCreationTime="sd"
  />
</FilesInformation>

答案

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");    
 }