/// <summary> /// The parse nodes. /// </summary> /// <param name="xmlDoc"> /// The xml doc. /// </param> /// <returns> /// Returns Graph object with added paresed nodes. /// </returns> private static Graph ParseNodes(XmlDocument xmlDoc) { var graph = new Graph(); XmlNodeList xmlNodes = xmlDoc.GetElementsByTagName("vertex"); for (int i = 0; i < xmlNodes.Count; i++) { GraphNode gnode = null; XmlNode xmlNode = xmlNodes[i].ChildNodes.Item(0); XmlNode xmlNodeMode = xmlNodes[i].ChildNodes.Item(1); if (xmlNode != null) { string vertexId = xmlNode.InnerText; if (xmlNodeMode != null) { string mode = xmlNodeMode.InnerText; if (!string.IsNullOrEmpty(vertexId) && !string.IsNullOrEmpty(mode)) { int nodem = GetStrNodeMode(mode); gnode = new GraphNode(vertexId, nodem); } } else { gnode = new GraphNode(vertexId, 0); } } if (gnode != null) { graph.AddNode(gnode); } } return graph; }