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Dim st As New System.Xml.XmlReaderSettings
'空白を無視する
st.IgnoreWhitespace = True

Dim reader As System.Xml.XmlReader = System.Xml.XmlReader.Create("C:\Work\Test.xml", st)

While reader.Read
    Select Case reader.NodeType
        Case Xml.XmlNodeType.Element
            Console.WriteLine("<{0}>", reader.Name)
        Case Xml.XmlNodeType.Text
            Console.WriteLine(reader.Value)
        Case Xml.XmlNodeType.CDATA
            Console.WriteLine("<![CDATA[{0}]]>", reader.Value)
        Case Xml.XmlNodeType.ProcessingInstruction
            Console.WriteLine("<?{0} {1}?>", reader.Name, reader.Value)
        Case Xml.XmlNodeType.Comment
            Console.WriteLine("<!--{0}-->", reader.Value)
        Case Xml.XmlNodeType.XmlDeclaration
            Console.WriteLine("<?xml version='1.0'?>")
        Case Xml.XmlNodeType.Document
        Case Xml.XmlNodeType.DocumentType
            Console.WriteLine("<!DOCTYPE {0} [{1}]", reader.Name, reader.Value)
        Case Xml.XmlNodeType.EntityReference
            Console.WriteLine(reader.Name)
        Case Xml.XmlNodeType.EndElement
            Console.WriteLine("</{0}>", reader.Name)
    End Select
End While

'リーダーを閉じる
reader.Close()

'サンプルXMLファイル
<?xml version="1.0" encoding="utf-8"?>
<!--アドレスリスト-->
<Address_Lists>
    <AddressList ID="111">
        <ZIP_CODE>123-4567</ZIP_CODE>
        <ADDRESS>東京都渋谷区</ADDRESS>
    </AddressList>
    <AddressList ID="222">
        <ZIP_CODE>333-7777</ZIP_CODE>
        <ADDRESS>北海道苫小牧市</ADDRESS>
    </AddressList>
    <AddressList ID="333">
        <ZIP_CODE>111-2222</ZIP_CODE>
        <ADDRESS>茨城県水戸市</ADDRESS>
    </AddressList>
</Address_Lists>