public MainWindow()
        {
            InitializeComponent();
            
            if (this.NotInDesignMode())
            {
                _globalData = DIService.GetSingleton<GlobalData>();
                _globalData.MainWindow = this;

                foreach (var contentControl in _globalData.ContentViews)
                    _globalData.SetChildContentViews(contentControl.GetType(), contentControl.FindChildControls<UserControl>());
            }
        }