Novacode.DocX.merge_customs C# (CSharp) Method

        private void merge_customs(PackagePart remote_pp, PackagePart local_pp, XDocument remote_mainDoc)
        {
            // Get the remote documents custom.xml file.
            XDocument remote_custom_document;
            using (TextReader tr = new StreamReader(remote_pp.GetStream()))
                remote_custom_document = XDocument.Load(tr);

            // Get the local documents custom.xml file.
            XDocument local_custom_document;
            using (TextReader tr = new StreamReader(local_pp.GetStream()))
                local_custom_document = XDocument.Load(tr);

            IEnumerable<int> pids =
            (
                from d in remote_custom_document.Root.Descendants()
                where d.Name.LocalName == "property"
                select int.Parse(d.Attribute(XName.Get("pid")).Value)
            );

            int pid = pids.Max() + 1;

            foreach (XElement remote_property in remote_custom_document.Root.Elements())
            {
                bool found = false;
                foreach (XElement local_property in local_custom_document.Root.Elements())
                {
                    XAttribute remote_property_name = remote_property.Attribute(XName.Get("name"));
                    XAttribute local_property_name = local_property.Attribute(XName.Get("name"));

                    if (remote_property != null && local_property_name != null && remote_property_name.Value.Equals(local_property_name.Value))
                        found = true;
                }

                if (!found)
                {
                    remote_property.SetAttributeValue(XName.Get("pid"), pid);
                    local_custom_document.Root.Add(remote_property);

                    pid++;
                }
            }

            // Save the modified local custom styles.xml file.
            using (TextWriter tw = new StreamWriter(new PackagePartStream(local_pp.GetStream(FileMode.Create, FileAccess.Write))))
                local_custom_document.Save(tw, SaveOptions.None);
        }