CompositeNodeSelectNodes Method

public NodeList SelectNodes(
	string xpath
)

Public Function SelectNodes ( 
	xpath As String
) As NodeList

public:
NodeList^ SelectNodes(
	String^ xpath
)

member SelectNodes : 
        xpath : string -> NodeList 

// Let's pick a document we know has some fields in
Document doc = new Document(MyDir + "Mail merge destination - Northwind employees.docx");

// Let's say we want to check if the Run below is inside a field
Run run = (Run) doc.GetChild(NodeType.Run, 5, true);

// Evaluate the XPath expression. The resulting NodeList will contain all nodes found inside a field a field (between FieldStart 
// and FieldEnd exclusive). There can however be FieldStart and FieldEnd nodes in the list if there are nested fields 
// in the path. Currently does not find rare fields in which the FieldCode or FieldResult spans across multiple paragraphs
NodeList resultList =
    doc.SelectNodes("//FieldStart/following-sibling::node()[following-sibling::FieldEnd]");

// Check if the specified run is one of the nodes that are inside the field
foreach (Node node in resultList)
{
    if (node == run)
    {
        Console.WriteLine("The node is found inside a field");
        break;
    }
}

Document doc = new Document(MyDir + "Tables.docx");

// This expression will extract all paragraph nodes which are descendants of any table node in the document
// This will return any paragraphs which are in a table
NodeList nodeList = doc.SelectNodes("//Table//Paragraph");

// Iterate through the list with an enumerator and print the contents of every paragraph in each cell of the table
int index = 0;
using (IEnumerator<Node> e = nodeList.GetEnumerator())
{
    while (e.MoveNext())
    {
        Console.WriteLine($"Table paragraph index {index++}, contents: \"{e.Current.GetText().Trim()}\"");
    }
}

// This expression will select any paragraphs that are direct children of any body node in the document
nodeList = doc.SelectNodes("//Body/Paragraph");

// We can treat the list as an array too
Assert.AreEqual(4, nodeList.ToArray().Length);

// Use SelectSingleNode to select the first result of the same expression as above
Node node = doc.SelectSingleNode("//Body/Paragraph");