Dynamo.Graph.Workspaces.WorkspaceModel.PopulateXmlDocument C# (CSharp) Метод

        protected virtual bool PopulateXmlDocument(XmlDocument xmlDoc)
        {
            try
            {
                var root = xmlDoc.DocumentElement;
                root.SetAttribute("Version", WorkspaceVersion.ToString());
                root.SetAttribute("X", X.ToString(CultureInfo.InvariantCulture));
                root.SetAttribute("Y", Y.ToString(CultureInfo.InvariantCulture));
                root.SetAttribute("zoom", Zoom.ToString(CultureInfo.InvariantCulture));
                root.SetAttribute("Name", Name);
                root.SetAttribute("Description", Description);

                SerializeElementResolver(xmlDoc);

                var elementList = xmlDoc.CreateElement("Elements");
                //write the root element
                root.AppendChild(elementList);

                foreach (var dynEl in Nodes.Select(el => el.Serialize(xmlDoc, SaveContext.File)))
                    elementList.AppendChild(dynEl);

                //write only the output connectors
                var connectorList = xmlDoc.CreateElement("Connectors");
                //write the root element
                root.AppendChild(connectorList);

                foreach (var el in Nodes)
                {
                    foreach (var port in el.OutPorts)
                    {
                        foreach (
                            var c in
                                port.Connectors.Where(c => c.Start != null && c.End != null))
                        {
                            var connector = xmlDoc.CreateElement(c.GetType().ToString());
                            connectorList.AppendChild(connector);
                            connector.SetAttribute("start", c.Start.Owner.GUID.ToString());
                            connector.SetAttribute("start_index", c.Start.Index.ToString());
                            connector.SetAttribute("end", c.End.Owner.GUID.ToString());
                            connector.SetAttribute("end_index", c.End.Index.ToString());

                            if (c.End.PortType == PortType.Input)
                                connector.SetAttribute("portType", "0");
                        }
                    }
                }

                //save the notes
                var noteList = xmlDoc.CreateElement("Notes"); //write the root element
                root.AppendChild(noteList);
                foreach (var n in Notes)
                {
                    var note = n.Serialize(xmlDoc, SaveContext.File);
                    noteList.AppendChild(note);
                }

                //save the annotation
                var annotationList = xmlDoc.CreateElement("Annotations");
                root.AppendChild(annotationList);
                foreach (var n in annotations)
                {
                    var annotation = n.Serialize(xmlDoc, SaveContext.File);
                    annotationList.AppendChild(annotation);
                }

                //save the presets into the dyn file as a seperate element on the root
                var presetsElement = xmlDoc.CreateElement("Presets");
                root.AppendChild(presetsElement);
                foreach (var preset in Presets)
                {
                    var presetState = preset.Serialize(xmlDoc, SaveContext.File);
                    presetsElement.AppendChild(presetState);
                }

                OnSaving(xmlDoc);

                return true;
            }
            catch (Exception ex)
            {
                Log(ex.Message);
                Log(ex.StackTrace);
                return false;
            }
        }