ApiExamples.ExNode.OwnerDocument C# (CSharp) Метод

        public void OwnerDocument()
        {
            //ExStart
            //ExFor:Node.Document
            //ExFor:Node.ParentNode
            //ExId:CreatingNodeRequiresDocument
            //ExSummary:Shows that when you create any node, it requires a document that will own the node.
            // Open a file from disk.
            Document doc = new Document();

            // Creating a new node of any type requires a document passed into the constructor.
            Paragraph para = new Paragraph(doc);

            // The new paragraph node does not yet have a parent.
            Console.WriteLine("Paragraph has no parent node: " + (para.ParentNode == null));
           
            // But the paragraph node knows its document.
            Console.WriteLine("Both nodes' documents are the same: " + (para.Document == doc));

            // The fact that a node always belongs to a document allows us to access and modify 
            // properties that reference the document-wide data such as styles or lists.
            para.ParagraphFormat.StyleName = "Heading 1";

            // Now add the paragraph to the main text of the first section.
            doc.FirstSection.Body.AppendChild(para);

            // The paragraph node is now a child of the Body node.
            Console.WriteLine("Paragraph has a parent node: " + (para.ParentNode != null));
            //ExEnd

            Assert.AreEqual(doc, para.Document);
            Assert.IsNotNull(para.ParentNode);
        }