//--------------------------------------------------------------------------------------------------
        // Constructor
        //--------------------------------------------------------------------------------------------------

        #region Constructor

        /// <summary>
        /// Basic constructor, assigns visualization methods to dictionaries for event and activity types
        /// </summary>
        /// <param name="drawingSystem">Drawing system used for visualization</param>
        /// <param name="position">Position of control unit visualization on drawing system</param>
        /// <param name="size">Size of control unit visualization on drawing system</param>
        /// <param name="personSize">Size in which persons are visualized</param>
        public WPFVisualizationEngineHealthCareDepartmentControlUnit(DrawingOnCoordinateSystem drawingSystem,
                                                                     Point position,
                                                                     Size size,
                                                                     double personSize) : base(drawingSystem)
        {
            _personSize = personSize;
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityPatient), CreatePatient);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityDoctor), CreateDoctor);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityNurse), CreateNurse);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityTreatmentFacility), CreateTreatmentFacility);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityMultiplePatientTreatmentFacility), CreateMultiplePatientTreatmentFacility);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityWaitingArea), CreateWaitingRoom);

            HoldingEntitiesVisualizationMethods.Add(typeof(EntityWaitingArea), DrawHoldingEntity);
            HoldingEntitiesVisualizationMethods.Add(typeof(EntityMultiplePatientTreatmentFacility), DrawHoldingEntity);

            ActivityEndEventVisualizationMethods.Add(typeof(ActivityHealthCareAction <T>), HealthCareActionEnd);
            ActivityStartEventVisualizationMethods.Add(typeof(ActivityHealthCareAction <T>), HealthCareActionStart);

            ActivityEndEventVisualizationMethods.Add(typeof(ActivityWaitInFacility), WaitInFacilityEnd);
            ActivityStartEventVisualizationMethods.Add(typeof(ActivityWaitInFacility), WaitInFacilityStart);

            EventStandaloneDrawingMethods.Add(typeof(EventEmergencyPatientLeave), EventPatientLeave);
            EventStandaloneDrawingMethods.Add(typeof(EventOutpatientPatientLeave), EventPatientLeave);
            EventStandaloneDrawingMethods.Add(typeof(EventStaffLeave), EventLeavingStaff);

            _position = position;
            _size     = size;
        } // end of BaseWPFControlUnitVisualizationEngine
        //--------------------------------------------------------------------------------------------------
        // Constructor
        //--------------------------------------------------------------------------------------------------

        #region Constructor

        /// <summary>
        /// Basic constructor, assigns visualization methods to dictionaries for event and activity types
        /// </summary>
        /// <param name="drawingSystem">Drawing system used for visualization</param>
        /// <param name="position">Position of control unit visualization on drawing system</param>
        /// <param name="size">Size of control unit visualization on drawing system</param>
        /// <param name="personSize">Size in which persons are visualized</param>
        public WPFVisualizationHealthCareOrganizationalUnit(DrawingOnCoordinateSystem drawingSystem,
                                                            double personSize,
                                                            WPFVisualizationEngineHealthCareDepartmentControlUnit <T> parentDepartmentVisualization) : base(drawingSystem)
        {
            _personSize = personSize;
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityPatient), CreatePatient);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityDoctor), CreateDoctor);
            EntityVisualizationObjectCreatingMethodsPerType.Add(typeof(EntityNurse), CreateNurse);

            HoldingEntitiesVisualizationMethods.Add(typeof(EntityMultiplePatientTreatmentFacility), DrawHoldingEntity);

            ActivityEndEventVisualizationMethods.Add(typeof(ActivityHealthCareAction <T>), HealthCareActionEnd);
            ActivityStartEventVisualizationMethods.Add(typeof(ActivityHealthCareAction <T>), HealthCareActionStart);

            ActivityEndEventVisualizationMethods.Add(typeof(ActivityWaitInFacility), WaitInFacilityEnd);
            ActivityStartEventVisualizationMethods.Add(typeof(ActivityWaitInFacility), WaitInFacilityStart);

            EventStandaloneDrawingMethods.Add(typeof(EventStaffLeave), EventLeavingStaff);

            _parentDepartmentVisaulization = parentDepartmentVisualization;
        } // end of BaseWPFControlUnitVisualizationEngine