public MainWindowViewModel(MainWindow window)
        {
            Window      = window;
            DbViewModel = new DatabaseViewModel();
            DbMethods   = new DatabaseMethods(DbViewModel);

            DbMethods.InitialAllCollectionFromDatabase(out wordObjects, out memberObjects, out sectionObjects);

            EditingElementControl = new EditingElements();
            Window.MainGrid.Children.Add(EditingElementControl);
            StudyEnglishControl = new StudyEnglish();
            Window.MainGrid.Children.Add(StudyEnglishControl);
            StudyEnglishControl.Visibility = System.Windows.Visibility.Hidden;
        }
 public DatabaseMethods(DatabaseViewModel context)
 {
     Context = context;
 }