private static void ConvertToEmbed() { var selection = GraphWindow.active?.reference?.graph?.Canvas().selection; if (selection != null && selection.Count > 0) { Undo.RegisterCompleteObjectUndo(GraphWindow.active?.reference.rootObject, "Add Sub Graph to Script Graph"); var superUnit = new NestedNode(); var superUnitGraph = new FlowGraph(); var superUnitCanvas = superUnitGraph.Canvas <FlowCanvas>(); var elements = selection.ToList(); superUnit.position = GetNestedNodePosition(elements); ((FlowGraph)GraphWindow.active.reference.graph).units.Add(superUnit); superUnit.nest.SwitchToEmbed(superUnitGraph); CopyElementsToGraph(superUnitCanvas); var graphInput = new GraphInput(); var graphOutput = new GraphOutput(); var listWithoutInputOutput = ((FlowGraph)GraphWindow.active.reference.graph).units.ToList(); superUnitGraph.units.Add(graphInput); superUnitGraph.units.Add(graphOutput); CopyControlConnectionData(superUnitGraph, graphInput, graphOutput, GetControlIndices(selection, superUnit)); CopyValueConnectionData(superUnitGraph, graphInput, graphOutput, GetValueIndices(selection, superUnit)); CopyInvalidConnectionData(superUnitGraph, graphInput, graphOutput, GetInvalidIndices(selection, superUnit)); SetInputOutputPosition(superUnitGraph, graphInput, graphOutput); superUnitGraph.pan = superUnit.position; RemoveUnusedDefinitions(superUnitGraph); superUnitGraph.PortDefinitionsChanged(); GraphWindow.active.reference.graph.Canvas <FlowCanvas>().DeleteSelection(); GraphWindow.active.reference.graph.Canvas <FlowCanvas>().selection.Add(superUnit); } }