AzureML.ManagementSDK.CreateStudioGraph C# (CSharp) Method

        private StudioGraph CreateStudioGraph(dynamic dag)
        {            
            StudioGraph graph = new StudioGraph();            
            InsertNodesIntoGraph(dag, graph, "Graph");            
            InsertNodesIntoGraph(dag, graph, "WebService");
            // dataset nodes are treated differently because they don't show in the EdgesInternal section.
            Dictionary<string, string> datasetNodes = new Dictionary<string, string>();
            foreach (var moduleNode in dag["Graph"]["ModuleNodes"])
            {
                string nodeId = moduleNode["Id"];
                foreach (var inputPort in moduleNode["InputPortsInternal"])
                    if (inputPort["DataSourceId"] != null && !datasetNodes.Keys.Contains(nodeId)) // this is a dataset node
                        datasetNodes.Add(nodeId, inputPort["DataSourceId"].ToString());
            }

            // normal edges
            foreach (dynamic edge in dag["Graph"]["EdgesInternal"])
            {
                string sourceOutputPort = edge["SourceOutputPortId"].ToString();
                string destInputPort = edge["DestinationInputPortId"].ToString();
                string sourceNode = (sourceOutputPort.Split(':')[0]);
                string destNode = (destInputPort.Split(':')[0]);
                graph.Edges.Add(new StudioGraphEdge
                {
                    DestinationNode = graph.Nodes.Single(n => n.Id == destNode),
                    SourceNode = graph.Nodes.Single(n => n.Id == sourceNode)
                });
            }

            // dataset edges
            foreach (string nodeId in datasetNodes.Keys)
                graph.Edges.Add(new StudioGraphEdge {
                    DestinationNode = graph.Nodes.Single(n => n.Id == nodeId),
                    SourceNode = graph.Nodes.Single(n => n.Id == datasetNodes[nodeId])
                    }
                );

            if (dag["WebService"] != null)
            {
                // web service input edges
                if (dag["WebService"]["Inputs"] != null)
                    foreach (var webSvcInput in dag["WebService"]["Inputs"])
                    {
                        if (webSvcInput["PortId"] != null)
                        {
                            string webSvcModuleId = webSvcInput["Id"].ToString();
                            string connectedModuleId = webSvcInput["PortId"].ToString().Split(':')[0];
                            graph.Edges.Add(new StudioGraphEdge
                            {
                                DestinationNode = graph.Nodes.Single(n => n.Id == connectedModuleId),
                                SourceNode = graph.Nodes.Single(n => n.Id == webSvcModuleId)
                            });                            
                        }
                    }

                // web service output edges
                if (dag["WebService"]["Outputs"] != null)
                    foreach (var webSvcOutput in dag["WebService"]["Outputs"])
                    {
                        if (webSvcOutput["PortId"] != null)
                        {
                            string webSvcModuleId = webSvcOutput["Id"].ToString();
                            string connectedModuleId = webSvcOutput["PortId"].ToString().Split(':')[0];
                            graph.Edges.Add(new StudioGraphEdge
                            {
                                DestinationNode = graph.Nodes.Single(n => n.Id == webSvcModuleId),
                                SourceNode = graph.Nodes.Single(n => n.Id == connectedModuleId)
                            });
                        }
                    }
            }            
            return graph;
        }