XContainer.DescendantNodes XContainer.DescendantNodes XContainer.DescendantNodes XContainer.DescendantNodes Method

定義

名前空間:
System.Xml.Linq System.Xml.Linq System.Xml.Linq System.Xml.Linq
Assemblies:
System.Xml.XDocument.dll, System.Xml.Linq.dll, netstandard.dll

このドキュメントまたは要素の子孫ノードのコレクションをドキュメント順に返します。Returns a collection of the descendant nodes for this document or element, in document order.

public:
 System::Collections::Generic::IEnumerable<System::Xml::Linq::XNode ^> ^ DescendantNodes();
public System.Collections.Generic.IEnumerable<System.Xml.Linq.XNode> DescendantNodes ();
member this.DescendantNodes : unit -> seq<System.Xml.Linq.XNode>
Public Function DescendantNodes () As IEnumerable(Of XNode)

戻り値

IEnumerable<XNode>

IEnumerable<T> の子孫ノードをドキュメント順に格納している XNode の XContainer。An IEnumerable<T> of XNode containing the descendant nodes of the XContainer, in document order.

例

次の例は、XML ツリーを作成しを反復処理し、DescendantNodes軸。The following example creates an XML tree, and then iterates through the DescendantNodes axis. 

XElement xmlTree = new XElement("Root",  
    // Attributes are not nodes, so will not be returned by DescendantNodes.  
    new XAttribute("Att1", "AttributeContent"),  
    new XElement("Child",  
        new XElement("GrandChild", "element content")  
    )  
);  
IEnumerable<XNode> dnas =  
    from node in xmlTree.DescendantNodes()  
    select node;  
foreach (XNode node in dnas)  
{  
    if (node is XElement)  
        Console.WriteLine((node as XElement).Name);  
    else  
        Console.WriteLine(node);  
}  

' Attributes are not nodes, so will not be returned by DescendantNodes.  
Dim xmlTree As XElement = _   
    <Root Att1="AttributeContent">  
        <Child>  
            <GrandChild>element content</GrandChild>  
        </Child>  
    </Root>  

Dim dnas = From node In xmlTree.DescendantNodes _  
           Select node  

For Each node In dnas  
    If TypeOf node Is XElement Then  
        Console.WriteLine(DirectCast(node, XElement).Name)  
    Else  
        Console.WriteLine(node)  
    End If  
Next

この例を実行すると、次の出力が生成されます。This example produces the following output: 

Child  
GrandChild  
element content

注釈

内のノードに属性が考慮されませんLINQ to XMLLINQ to XMLので、このメソッドによって返されるコレクションの一部はできません。Note that attributes are not considered to be nodes in LINQ to XMLLINQ to XML, so they will not be part of the collection that is returned by this method.

このメソッドは遅延実行を使用します。This method uses deferred execution.

適用対象

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