XContainer.AddFirst adds the specified content as the first children of this document or element. : XContainer « XML LINQ « VB.Net

1. VB.Net
2. XML LINQ
3. XContainer

XContainer.AddFirst adds the specified content as the first children of this document or element.

 

Imports System
Imports System.Xml
Imports System.Xml.XPath

Public Class MainClass

    Public Shared Sub Main()
        Dim srcTree As XElement = _ 
                <Root>
                    <Element1>1</Element1>
                    <Element2>2</Element2>
                    <Element3>3</Element3>
                    <Element4>4</Element4>
                    <Element5>5</Element5>
                </Root>
        
        Dim xmlTree As XElement = _ 
                <Root>
                    <Child1>1</Child1>
                    <Child2>2</Child2>
                    <Child3>3</Child3>
                    <Child4>4</Child4>
                    <Child5>5</Child5>
                </Root>
        
        xmlTree.AddFirst(New XElement("NewChild", "new content"))
        xmlTree.AddFirst( _
            From el In srcTree.Elements() _
            Where CInt(el) > 3 _
            Select el _
        )
        xmlTree.AddFirst(srcTree.<Child9>)
        Console.WriteLine(xmlTree)

    End Sub

End Class

   
  

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