public bool AddSlotOrDomainValueNode(ViewModelFramesHierarchy parentNode)
        {
            switch (parentNode.kbEntity)
            {
            case KBEntity.DEFAULT_ENTITY:
                if (parentNode.Name == "Фреймы")
                {
                    PrependFrame();
                }
                else if (parentNode.Name == "Домены")
                {
                    PrependDomain();
                }

                break;

            case KBEntity.FRAME:
                int  slotsCount       = parentNode.Nodes.Count - 1;
                Slot newSlotName_Slot = new Slot()
                {
                    name  = "!!!newSlotName " + _newSlotNameCounter++.ToString(),
                    value = null,
                };
                parentNode.Frame.slots.Add(newSlotName_Slot);

                //TODO: Нужно сделать с нормальной проверкой:
                MainFrameContainer.ReplaceFrame(parentNode.frame.name, parentNode.frame);


                ViewModelFramesHierarchy newSlotName_Node = new ViewModelFramesHierarchy()
                {
                    kbEntity = KBEntity.SLOT_NAME,

                    ParentalNode = parentNode,
                    NodeIndex    = slotsCount + 1,
                    Name         = newSlotName_Slot.name,
                };
                parentNode.Nodes.Add(newSlotName_Node);
                UpdateDomainNodes();
                ///////////////
                break;

            case KBEntity.SLOT_NAME:
                if (parentNode.Nodes.Count == 0)
                {
                    int   slotIndex   = parentNode.NodeIndex - 1;
                    Frame parentFrame = parentNode.ParentalNode.frame;

                    parentFrame.slots[slotIndex].value = "!!!newSlotValue ";
                    //TODO: Нужно сделать с нормальной проверкой:
                    MainFrameContainer.ReplaceFrame(parentFrame.name, parentFrame);


                    ViewModelFramesHierarchy newSlotValue_Node = new ViewModelFramesHierarchy()
                    {
                        kbEntity = KBEntity.SLOT_VALUE,

                        ParentalNode = parentNode,
                        Name         = parentFrame.slots[slotIndex].value,
                    };
                    parentNode.Nodes.Add(newSlotValue_Node);
                    UpdateDomainNodes();
                    viewModelGraph.DrawAllKB(MainFrameContainer);
                    break;
                }
                break;

            case KBEntity.DOMAIN_NAME:
                int domainsCount = parentNode.Nodes.Count - 1;

                string newDomain_ValueName = "!!!newDomainValue " + _newDomainValueCounter++.ToString();

                if (MainFrameContainer.AddNewValueToDomain(parentNode.Domain.name, newDomain_ValueName))
                {
                    parentNode.Domain.values.Add(newDomain_ValueName);

                    ViewModelFramesHierarchy newDomainValue_Node = new ViewModelFramesHierarchy()
                    {
                        kbEntity = KBEntity.DOMAIN_VALUE,

                        ParentalNode = parentNode,
                        NodeIndex    = domainsCount + 1,
                        Name         = newDomain_ValueName,
                    };
                    parentNode.Nodes.Add(newDomainValue_Node);
                }
                break;

            default:
                break;
            }
            OnPropertyChanged("AddSlotOrDomainValueNode");
            return(true);
        }