private void ListViewMenu_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            int index = ListViewMenu.SelectedIndex;

            MoveCursorMenu(index);

            switch (index)
            {
            case 0:
                MainViewGrid.Children.Clear();
                MainViewGrid.Children.Add(new UCHomeMech());
                break;

            case 1:
                MainViewGrid.Children.Clear();
                MainViewGrid.Children.Add(new UCErrandsMech());
                break;

            case 2:
                MainViewGrid.Children.Clear();
                MainViewGrid.Children.Add(new UserControlCompetenceMech());
                break;

            case 3:
                Login.LoginPage loginPage = new Login.LoginPage();
                this.NavigationService.Navigate(loginPage);
                break;


            default:
                break;
            }
        }
 private void SignOutButton_Click(object sender, RoutedEventArgs e)
 {
     Login.LoginPage loginPage = new Login.LoginPage();
     this.NavigationService.Navigate(loginPage);
 }