IXmlLineInfo Interface

IXmlLineInfo Interface

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Provides an interface to enable a class to return line and position information.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

'Declaration
Public Interface IXmlLineInfo

The IXmlLineInfo type exposes the following members.

  NameDescription
Public propertyLineNumberGets the current line number.
Public propertyLinePositionGets the current line position.
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  NameDescription
Public methodHasLineInfoGets a value indicating whether the class can return line information.
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' Create the XML fragment to be parsed.
Dim xmlFrag As String = _
    "<book>" & _
         "<misc>" & _
             "<style>paperback</style>" & _
             "<pages>240</pages>" & _
         "</misc>" & _
     "</book>"

' Create the XmlNamespaceManager.
Dim nsmgr As XmlNamespaceManager = New XmlNamespaceManager(New NameTable())

' Create the XmlParserContext.
Dim context As New XmlParserContext(Nothing, nsmgr, Nothing, XmlSpace.None)

Dim output As New StringBuilder()
' Create the reader.
Using reader As XmlReader = XmlReader.Create(New StringReader(xmlFrag), Nothing, context)

    Dim lineInfo As IXmlLineInfo = CType(reader, IXmlLineInfo)
    If lineInfo.HasLineInfo() Then

        ' Parse the XML and display each node.
        While reader.Read()
            Select Case reader.NodeType
                Case XmlNodeType.Element
                    output.Append(reader.Depth.ToString() + " " + _
                        lineInfo.LineNumber.ToString() + ", " + _
                        lineInfo.LinePosition.ToString())
                    output.AppendLine("<" + reader.Name + ">")
                Case XmlNodeType.Text
                    output.Append(reader.Depth.ToString() + " " + _
                        lineInfo.LineNumber.ToString() + ", " + _
                        lineInfo.LinePosition.ToString())
                    output.AppendLine("  " + reader.Value)
                Case XmlNodeType.EndElement
                    output.Append(reader.Depth.ToString() + " " + _
                        lineInfo.LineNumber.ToString() + ", " + _
                        lineInfo.LinePosition.ToString())
                    output.AppendLine("</" + reader.Name + ">")
            End Select
        End While
    End If
End Using

' Display the output to the TextBlock control
OutputTextBlock.Text = output.ToString()


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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