XObject.IXmlLineInfo.LinePosition Property


Gets the line position that the underlying XmlReader reported for this XObject.

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

Private ReadOnly Property LinePosition As Integer Implements IXmlLineInfo.LinePosition

Property Value

Type: System.Int32

An Int32 that contains the line position reported by the XmlReader for this XObject.

This method is an explicit interface member implementation of a method in the IXmlLineInfo interface, so in order to call this method, it is necessary to cast to IXmlLineInfo.

This example loads a small XML tree from a file, setting the options to set base URI and retain line information. It then adds another element that does not have line information. It then prints the line information for each element in the tree.

                Dim markup As String = _
    "<Root>" & Environment.NewLine & _
    "    <Child1 />" & Environment.NewLine & _
    "    <Child2 />" & Environment.NewLine & _
    "    <Child4 />" & Environment.NewLine & _

File.WriteAllText("Test.xml", markup)

Dim po As XElement = XElement.Load("Test.xml", LoadOptions.SetBaseUri Or LoadOptions.SetLineInfo)

' add a node to the tree.
' the newly added node will not have line information.
po.Element("Child2").AddAfterSelf(New XElement("Child3"))

Dim splitUri() As String = po.BaseUri.Split("/"c)
Console.WriteLine("BaseUri: {0}", splitUri(splitUri.Length - 1))
Console.WriteLine("{0}{1}{2}", _
    "Element Name".PadRight(20), _
    "Line".PadRight(5), _
Console.WriteLine("{0}{1}{2}", _
    "------------".PadRight(20), _
    "----".PadRight(5), _
For Each e As XElement In po.DescendantsAndSelf()
    Console.WriteLine("{0}{1}{2}", _
        ("".PadRight(e.Ancestors().Count() * 2) & e.Name.ToString).PadRight(20), _
        IIf(DirectCast(e, IXmlLineInfo).HasLineInfo(), _
            DirectCast(e, IXmlLineInfo).LineNumber.ToString().PadRight(5), _
            ""), _
        IIf(DirectCast(e, IXmlLineInfo).HasLineInfo(), _
            DirectCast(e, IXmlLineInfo).LinePosition.ToString(), _
            "No Line Information"))

This example produces the following output:

                BaseUri: Test.xml

Element Name        Line Position
------------        ---- --------
Root                1    2
  Child1            2    6
  Child2            3    6
  Child3            No Line Information
  Child4            4    6

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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