// The logic is similar to UpdateCloneReferences. // the difference is in this function, we need to set reference by Property. void UpdateCloneReferenceByModelItem(FlowNode currentFlowElement, Dictionary <FlowNode, ModelItem> modelItems, Dictionary <FlowNode, FlowNode> clonedFlowElements) { if (typeof(FlowStep).IsAssignableFrom(currentFlowElement.GetType())) { FlowStep currentFlowStep = (FlowStep)currentFlowElement; FlowStep clonedFlowStep = (FlowStep)clonedFlowElements[currentFlowElement]; ModelItem modelItem = modelItems[clonedFlowStep]; FlowNode nextFlowElement = currentFlowStep.Next; if (nextFlowElement != null && clonedFlowElements.ContainsKey(nextFlowElement)) { modelItem.Properties["Next"].SetValue(clonedFlowElements[nextFlowElement]); } else { modelItem.Properties["Next"].SetValue(null); } } else if (typeof(FlowDecision).IsAssignableFrom(currentFlowElement.GetType())) { if (!modelItems.ContainsKey(currentFlowElement)) { Fx.Assert("Should not happen."); } FlowDecision currentFlowDecision = (FlowDecision)currentFlowElement; FlowDecision clonedFlowDecision = (FlowDecision)clonedFlowElements[currentFlowElement]; Fx.Assert(currentFlowDecision == clonedFlowDecision, "should not happen"); ModelItem modelItem = modelItems[currentFlowElement]; Fx.Assert(modelItem != null, "should not happen"); FlowNode trueElement = currentFlowDecision.True; FlowNode falseElement = currentFlowDecision.False; if (trueElement != null && clonedFlowElements.ContainsKey(trueElement)) { modelItem.Properties["True"].SetValue(clonedFlowElements[trueElement]); } else { modelItem.Properties["True"].SetValue(null); } if (falseElement != null && clonedFlowElements.ContainsKey(falseElement)) { modelItem.Properties["False"].SetValue(clonedFlowElements[falseElement]); } else { modelItem.Properties["False"].SetValue(null); } } else if (GenericFlowSwitchHelper.IsGenericFlowSwitch(currentFlowElement.GetType())) { GenericFlowSwitchHelper.ReferenceCopy(currentFlowElement.GetType().GetGenericArguments()[0], currentFlowElement, modelItems, clonedFlowElements); } else { Debug.Fail("Unknown FlowNode"); } }