public Favorite()
{
this.InitializeComponent();
this.RequestedTheme = Services.UserDatabase.LoadSetting();
UserDB = new Services.UserDatabase();
F_ViewModel = new ViewModels.MessageViewModel(UserDB.GetFavorite());
}
public MainPage()
{
this.InitializeComponent();
M_ViewModel = new ViewModels.MessageViewModel();
Nav_viewModel = new ViewModels.NavMenuViewModel();
Func_viewModel = new ViewModels.NavMenuViewModel("func");
UserDB = new Services.UserDatabase();
ContentView.Navigate(typeof(Home));
}