internal static void StaticInvoke(CommandProcessorContext cpc, AssociationConnector associationConnector, Guid domainPropertyId)
        {
            var viewModel = associationConnector.GetRootViewModel();
            Debug.Assert(viewModel != null, "Unable to find root view model from AssociationConnector: " + associationConnector);

            if (viewModel != null)
            {
                Connector modelAssociationConnector =
                    viewModel.ModelXRef.GetExisting(associationConnector) as Model.Designer.AssociationConnector;
                if (modelAssociationConnector == null)
                {
                    AssociationConnectorAdd.StaticInvoke(cpc, associationConnector);
                    modelAssociationConnector = viewModel.ModelXRef.GetExisting(associationConnector) as Model.Designer.AssociationConnector;
                }

                Debug.Assert(modelAssociationConnector != null);
                if (modelAssociationConnector != null)
                {
                    if (domainPropertyId == LinkShape.EdgePointsDomainPropertyId)
                    {
                        List<KeyValuePair<double, double>> points = null;
                        if (associationConnector.ManuallyRouted
                            && associationConnector.EdgePoints.Count > 0)
                        {
                            points = new List<KeyValuePair<double, double>>(associationConnector.EdgePoints.Count);
                            foreach (EdgePoint point in associationConnector.EdgePoints)
                            {
                                points.Add(new KeyValuePair<double, double>(point.Point.X, point.Point.Y));
                            }
                        }

                        if (points != null)
                        {
                            var cmd = new SetConnectorPointsCommand(modelAssociationConnector, points);
                            CommandProcessor.InvokeSingleCommand(cpc, cmd);
                        }
                    }
                    else if (domainPropertyId == LinkShape.ManuallyRoutedDomainPropertyId)
                    {
                        // if the connectors are not manually routed, we need to clean up all the connector points in the association connectors.
                        if (associationConnector.ManuallyRouted == false
                            && modelAssociationConnector.ConnectorPoints != null
                            && modelAssociationConnector.ConnectorPoints.Count > 0)
                        {
                            var points = new List<KeyValuePair<double, double>>();
                            var setConnectorPointCmd = new SetConnectorPointsCommand(modelAssociationConnector, points);
                            CommandProcessor.InvokeSingleCommand(cpc, setConnectorPointCmd);
                        }

                        var cmd = new UpdateDefaultableValueCommand<bool>(
                            modelAssociationConnector.ManuallyRouted, associationConnector.ManuallyRouted);
                        CommandProcessor.InvokeSingleCommand(cpc, cmd);
                    }
                }
            }
        }
        internal static void StaticInvoke(CommandProcessorContext cpc, InheritanceConnector inheritanceConnector, Guid domainPropertyId)
        {
            // The situation where inheritanceConnector.IsDeleted to be true is when the user is trying to create circular inheritance.
            // In that case, the inheritance connector creation is aborted but this rule could still be fired.
            if (inheritanceConnector.IsDeleted
                || inheritanceConnector.IsDeleting)
            {
                return;
            }

            Connector modelInheritanceConnector = null;

            var viewModel = inheritanceConnector.GetRootViewModel();
            Debug.Assert(viewModel != null, "Unable to find root view model from inheritance connector: " + viewModel);
            if (viewModel != null)
            {
                modelInheritanceConnector = viewModel.ModelXRef.GetExisting(inheritanceConnector) as Model.Designer.InheritanceConnector;
                if (modelInheritanceConnector == null)
                {
                    InheritanceConnectorAdd.StaticInvoke(cpc, inheritanceConnector);
                    modelInheritanceConnector = viewModel.ModelXRef.GetExisting(inheritanceConnector) as Model.Designer.InheritanceConnector;
                }
            }

            // we should have a connector unless its been deleted due to circular inheritance checks
            Debug.Assert(
                modelInheritanceConnector != null || (modelInheritanceConnector == null && inheritanceConnector.IsDeleted),
                "We could not locate an underlying model item to change for this Inheritance connector");
            if (modelInheritanceConnector != null)
            {
                if (domainPropertyId == LinkShape.EdgePointsDomainPropertyId)
                {
                    List<KeyValuePair<double, double>> points = null;
                    if (inheritanceConnector.ManuallyRouted
                        && inheritanceConnector.EdgePoints.Count > 0)
                    {
                        points = new List<KeyValuePair<double, double>>(inheritanceConnector.EdgePoints.Count);
                        foreach (EdgePoint point in inheritanceConnector.EdgePoints)
                        {
                            points.Add(new KeyValuePair<double, double>(point.Point.X, point.Point.Y));
                        }
                    }

                    if (points != null)
                    {
                        var cmd = new SetConnectorPointsCommand(modelInheritanceConnector, points);
                        CommandProcessor.InvokeSingleCommand(cpc, cmd);
                    }
                }
                else if (domainPropertyId == LinkShape.ManuallyRoutedDomainPropertyId)
                {
                    // if the connectors are not manually routed (the connectors are auto layout), we need to clear our the layout information in our model.
                    if (inheritanceConnector.ManuallyRouted == false
                        && modelInheritanceConnector.ConnectorPoints != null
                        && modelInheritanceConnector.ConnectorPoints.Count > 0)
                    {
                        var points = new List<KeyValuePair<double, double>>();
                        var setConnectorPointscmd = new SetConnectorPointsCommand(modelInheritanceConnector, points);
                        CommandProcessor.InvokeSingleCommand(cpc, setConnectorPointscmd);
                    }

                    var cmd = new UpdateDefaultableValueCommand<bool>(
                        modelInheritanceConnector.ManuallyRouted, inheritanceConnector.ManuallyRouted);
                    CommandProcessor.InvokeSingleCommand(cpc, cmd);
                }
            }
        }