public ChildTrackingVariableRowModel(IDebuggerService debuggerService, VariableDisplayManager variableDisplayManager,
                                      TrackingVariableRowModel parent, int offset)
     : base(debuggerService, variableDisplayManager)
 {
     _offset = offset;
     _parent = parent;
 }
        public TrackingVariableRowModel(IDebuggerService debuggerService, VariableDisplayManager variableDisplayManager)
        {
            _debuggerService        = debuggerService;
            _variableDisplayManager = variableDisplayManager;
            DisplayController       = variableDisplayManager.DefaultController;
            Debugger = _debuggerService.CurrentDebugger;

            _debuggerService.OnDebuggingStarted += DebuggerService_OnDebuggingStarted;
            _debuggerService.OnDebuggingEnded   += DebuggerService_OnDebuggingEnded;
        }