Public Function Ancestors ( _
    name As XName _
) As IEnumerable(Of XElement)

Dim instance As XNode
Dim name As XName
Dim returnValue As IEnumerable(Of XElement)

returnValue = instance.Ancestors(name)

public IEnumerable<XElement> Ancestors(
    XName name
)

public:
IEnumerable<XElement^>^ Ancestors(
    XName^ name
)

public function Ancestors(
    name : XName
) : IEnumerable<XElement>

XElement xmlTree = new XElement("Root",
    new XElement("Child", 
        new XElement("GrandChild", "content")
    )
);
IEnumerable<XElement> grandChild = xmlTree.Descendants("GrandChild");
foreach (XElement el in grandChild.Ancestors("Child"))
    Console.WriteLine(el.Name);

Dim xmlTree As XElement = _ 
        <Root>
            <Child>
                <GrandChild>content</GrandChild>
            </Child>
        </Root>

Dim grandChild As IEnumerable(Of XElement) = xmlTree...<GrandChild>
For Each el In grandChild.Ancestors("Child")
    Console.WriteLine(el.Name)
Next

Child