public void Navigate(string pageKey, Type pageType, Type viewModelType)
{
// Change content of the contentFrame
_shellPage.ContentFrame.Navigate(pageType);
var page = _shellPage.ContentFrame.Content as IBurlsPage;
page.ViewModelBase = _serviceProvider.GetService(viewModelType) as IViewModel;
_shellPage.RefreshUI();
// Update the navigation if needed
var menuItems = _shellPage.MainNavigation.MenuItems.Concat(_shellPage.MainNavigation.FooterMenuItems);
var selectedItem = menuItems.FirstOrDefault(x => (x as NavigationViewItem).Tag.ToString().Equals(pageKey));
if (_shellPage.MainNavigation.SelectedItem != selectedItem)
{
_shellPage.MainNavigation.SelectedItem = selectedItem;
}
}