CustomXmlPartCollection Interface

using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;
using System.Xml;
// ...

using (RichEditDocumentServer wordProcessor = new RichEditDocumentServer())
{
    Document document = wordProcessor.Document;
    document.AppendText("This document contains custom XML parts.");
    // Add an empty custom XML part.
    ICustomXmlPart xmlItem = document.CustomXmlParts.Add();
    // Populate the XML part with content.
    XmlElement elem = xmlItem.CustomXmlPartDocument.CreateElement("Employees");
    elem.InnerText = "Stephen Edwards";
    xmlItem.CustomXmlPartDocument.AppendChild(elem);

    // Use a string to specify the content for a custom XML part.
    string xmlString = @"<?xml version=""1.0"" encoding=""UTF-8""?>
                            <Employees>
                                <FirstName>Stephen</FirstName>
                                <LastName>Edwards</LastName>
                                <Address>4726 - 11th Ave. N.E.</Address>
                                <City>Seattle</City>
                                <Region>WA</Region>
                                <PostalCode>98122</PostalCode>
                                <Country>USA</Country>
                            </Employees>";
    document.CustomXmlParts.Insert(1, xmlString);

    // Add a custom XML part from a file.
    XmlDocument xmlDoc = new XmlDocument();
    xmlDoc.Load("Documents\\Employees.xml");
    document.CustomXmlParts.Add(xmlDoc);
    document.SaveDocument("Documents\\CustomXmlTestDoc.docx", DocumentFormat.OpenXml);
}

Imports DevExpress.XtraRichEdit
Imports DevExpress.XtraRichEdit.API.Native
Imports System.Xml
' ...

Using wordProcessor As New RichEditDocumentServer()
    Dim document As Document = wordProcessor.Document
    document.AppendText("This document contains custom XML parts.")
    ' Add an empty custom XML part.
    Dim xmlItem As ICustomXmlPart = document.CustomXmlParts.Add()
    ' Populate the XML part with content.
    Dim elem As XmlElement = xmlItem.CustomXmlPartDocument.CreateElement("Employees")
    elem.InnerText = "Stephen Edwards"
    xmlItem.CustomXmlPartDocument.AppendChild(elem)

    ' Use a string to specify the content for a custom XML part.
    Dim xmlString As String = "<?xml version=""1.0"" encoding=""UTF-8""?>
                                <Employees>
                                    <FirstName>Stephen</FirstName>
                                    <LastName>Edwards</LastName>
                                    <Address>4726 - 11th Ave. N.E.</Address>
                                    <City>Seattle</City>
                                    <Region>WA</Region>
                                    <PostalCode>98122</PostalCode>
                                    <Country>USA</Country>
                                </Employees>"
    document.CustomXmlParts.Insert(1, xmlString)

    ' Add a custom XML part from a file.
    Dim xmlDoc As New XmlDocument()
    xmlDoc.Load("Documents\Employees.xml")
    document.CustomXmlParts.Add(xmlDoc)
    document.SaveDocument("Documents\CustomXmlTestDoc.docx", DocumentFormat.OpenXml)
End Using

using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;
using System.Xml;
// ...

using (RichEditDocumentServer wordProcessor = new RichEditDocumentServer())
{
    Document document = wordProcessor.Document;
    // Load a document.
    document.LoadDocument("Documents\\CustomXmlParts.docx");
    // Access a custom XML file stored in the document.
    XmlDocument xmlDoc = document.CustomXmlParts[0].CustomXmlPartDocument;
    // Retrieve employee names from the XML file and display them in the document.
    XmlNodeList nameList = xmlDoc.GetElementsByTagName("Name");
    document.AppendText("Employee list:");
    foreach (XmlNode name in nameList)
    {
        document.AppendText("\r\n \u00B7 " + name.InnerText);
    }
}

Imports DevExpress.XtraRichEdit
Imports DevExpress.XtraRichEdit.API.Native
Imports System.Xml
' ...

Using wordProcessor As New RichEditDocumentServer()
    Dim document As Document = wordProcessor.Document
    ' Load a document.
    document.LoadDocument("Documents\CustomXmlParts.docx")
    ' Access a custom XML file stored in the document.
    Dim xmlDoc As XmlDocument = document.CustomXmlParts(0).CustomXmlPartDocument
    ' Retrieve employee names from the XML file and display them in the document.
    Dim nameList As XmlNodeList = xmlDoc.GetElementsByTagName("Name")
    document.AppendText("Employee list:")
    For Each name As XmlNode In nameList
        document.AppendText(ControlChars.CrLf & " " & ChrW(&H00B7).ToString() & " " & name.InnerText)
    Next name
End Using

using (RichEditDocumentServer wordProcessor = new RichEditDocumentServer())
{
    Document document = wordProcessor.Document;
    document.AppendText("This document contains custom XML parts.");

    // Add the first custom XML part.
    string xmlString1 = @"<?xml version=""1.0"" encoding=""UTF-8""?>
                            <Employees>
                                <FirstName>Stephen</FirstName>
                                <LastName>Edwards</LastName>
                            </Employees>";
    var xmlItem1 = document.CustomXmlParts.Add(xmlString1);

    // Add the second custom XML part.
    string xmlString2 = @"<?xml version=""1.0"" encoding=""UTF-8""?>
                            <Employees>
                                <FirstName>Andrew</FirstName>
                                <LastName>Fuller</LastName>
                            </Employees>";
    var xmlItem2 = document.CustomXmlParts.Add(xmlString2);

    // Remove the first item from the collection.
    document.CustomXmlParts.Remove(xmlItem1);
    // Use the RemoveAt method to remove an item at the specified position from the collection.
    // document.CustomXmlParts.RemoveAt(0);
    // Use the Clear method to remove all items from the collection.
    // document.CustomXmlParts.Clear();
}

Using wordProcessor As New RichEditDocumentServer()
    Dim document As Document = wordProcessor.Document
    document.AppendText("This document contains custom XML parts.")

    ' Add the first custom XML part.
    Dim xmlString1 As String = "<?xml version=""1.0"" encoding=""UTF-8""?>
                            <Employees>
                                <FirstName>Stephen</FirstName>
                                <LastName>Edwards</LastName>
                            </Employees>"
    Dim xmlItem1 = document.CustomXmlParts.Add(xmlString1)

    ' Add the second custom XML part.
    Dim xmlString2 As String = "<?xml version=""1.0"" encoding=""UTF-8""?>
                            <Employees>
                                <FirstName>Andrew</FirstName>
                                <LastName>Fuller</LastName>
                            </Employees>"
    Dim xmlItem2 = document.CustomXmlParts.Add(xmlString2)

    ' Remove the first item from the collection.
    document.CustomXmlParts.Remove(xmlItem1)
    ' Use the RemoveAt method to remove an item at the specified position from the collection.
    ' document.CustomXmlParts.RemoveAt(0)
    ' Use the Clear method to remove all items from the collection.
    ' document.CustomXmlParts.Clear()
End Using