CustomXmlPart.Clone method

Makes a “deep enough” copy of the object. Does not duplicate the bytes of the Data value.

public CustomXmlPart Clone()


Shows how to create a structured document tag with custom XML data.

Document doc = new Document();

// Construct an XML part that contains data and add it to the document's collection.
// If we enable the "Developer" tab in Microsoft Word,
// we can find elements from this collection in the "XML Mapping Pane", along with a few default elements.
string xmlPartId = Guid.NewGuid().ToString("B");
string xmlPartContent = "<root><text>Hello world!</text></root>";
CustomXmlPart xmlPart = doc.CustomXmlParts.Add(xmlPartId, xmlPartContent);

Assert.AreEqual(Encoding.ASCII.GetBytes(xmlPartContent), xmlPart.Data);
Assert.AreEqual(xmlPartId, xmlPart.Id);

// Below are two ways to refer to XML parts.
// 1 -  By an index in the custom XML part collection:
Assert.AreEqual(xmlPart, doc.CustomXmlParts[0]);

// 2 -  By GUID:
Assert.AreEqual(xmlPart, doc.CustomXmlParts.GetById(xmlPartId));

// Add an XML schema association.

// Clone a part, and then insert it into the collection.
CustomXmlPart xmlPartClone = xmlPart.Clone();
xmlPartClone.Id = Guid.NewGuid().ToString("B");

Assert.AreEqual(2, doc.CustomXmlParts.Count);

// Iterate through the collection and print the contents of each part.
using (IEnumerator<CustomXmlPart> enumerator = doc.CustomXmlParts.GetEnumerator())
    int index = 0;
    while (enumerator.MoveNext())
        Console.WriteLine($"XML part index {index}, ID: {enumerator.Current.Id}");
        Console.WriteLine($"\tContent: {Encoding.UTF8.GetString(enumerator.Current.Data)}");

// Use the "RemoveAt" method to remove the cloned part by index.

Assert.AreEqual(1, doc.CustomXmlParts.Count);

// Clone the XML parts collection, and then use the "Clear" method to remove all its elements at once.
CustomXmlPartCollection customXmlParts = doc.CustomXmlParts.Clone();

// Create a structured document tag that will display our part's contents and insert it into the document body.
StructuredDocumentTag tag = new StructuredDocumentTag(doc, SdtType.PlainText, MarkupLevel.Block);
tag.XmlMapping.SetMapping(xmlPart, "/root[1]/text[1]", string.Empty);


doc.Save(ArtifactsDir + "StructuredDocumentTag.CustomXml.docx");

See Also