vb如何写入、读取XML文件？？？高手

写成如下这样的？ 
<?xml version="1.0" encoding="ISO-8859-1" ?> 
- <QB>
- <generalInfo>
  <QBVersion>1.0</QBVersion> 
  <ZDVersion>unknown</ZDVersion> 
  <QBName>TFR0509172074</QBName> 
  <QBType>0</QBType> 
  </generalInfo>
- <head>
  <hBZW>0</hBZW> 
  <hBZZ>HMR</hBZZ> 
  <hJTZ>WXR</hJTZ> 
  <hFCRQ>20050917</hFCRQ> 
  <hFCSF>15:28</hFCSF> 
  <hFBRQ>20050917</hFBRQ> 
  <hFBSF>1528</hFBSF> 
  <hBZCC>84091</hBZCC> 
  <hYXCC>84091</hYXCC> 
  <hJYZ>WXR</hJYZ> 
  <hLCLS>48</hLCLS> 
  <hLCZiZ>1055</hLCZiZ> 
  <hLCZaiZ1>0</hLCZaiZ1> 
  <hLCZaiZ2>0</hLCZaiZ2> 
  <hLCZongZ>1055</hLCZongZ> 
  <hLCHC>52.8</hLCHC> 
  <hPBHJ>0</hPBHJ> 
  <hFBZ>TFR</hFBZ> 
  <hBDFZ /> 
  <hZBR>&ordm;ò&Oacute;&Agrave;&Ccedil;&Ugrave;</hZBR> 
  <hJCR>&Ntilde;&icirc;&Aacute;á</hJCR> 
  <hLCBZ>200509171528NQH0509172074</hLCBZ> 
  </head>
- <text>
- <item>
  <tSXH>1</tSXH> 
  <tCZ>G17</tCZ> 
  <tYZ>L</tYZ> 
  <tCH>6089571</tCH> 
  <tZiZ>21.0</tZiZ> 
  <tHC>1.1</tHC> 
  <tKZBZ>0</tKZBZ> 
  <tZLBZ>0</tZLBZ> 
  <tJYBZ>0</tJYBZ> 
  <tHSBZ>0</tHSBZ> 
  <tBQBZ>0</tBQBZ> 
  <tQTBZ>0</tQTBZ> 
  <tZaiZ>0</tZaiZ> 
  <tDZ1>WXR</tDZ1> 
  <tDZ2>WXR</tDZ2> 
  <tPM>&iquest;&Otilde;</tPM> 
  <tFZ>YCJ</tFZ> 
  <tPB>0</tPB> 
  </item>
- <item>