XNode.NodesBeforeSelf Method

'Declaration
Public Function NodesBeforeSelf As IEnumerable(Of XNode)

Dim xmlTree As XElement = New XElement("Root", _
    New XText("Text content."), _
    New XElement("Child1", "child1 content"), _
    New XElement("Child2", "child2 content"), _
    New XText("More text content."), _
    New XElement("child3", "child3 content") _
)

Dim child As XElement = xmlTree.Element("Child2")
Dim nodes As IEnumerable(Of XNode) = _
    From node In child.NodesBeforeSelf() _
    Select node
For Each node As XNode In nodes
    Dim s As String = ""
    If node.NodeType = XmlNodeType.Text Then
        s = DirectCast(node, XText).Value
    End If
    Console.WriteLine("Node type: {0}  {1}", node.NodeType, s)
Next

Node type: Text  Text content.
Node type: Element