public FrmLanchedaTarde()
        {
            InitializeComponent();
            int lastid = LanchedaNoiteViewModel.listar().Count + 1;

            lanchetardeR = new LanchedaTardeView()
            {
                Id_lanchedatarde = lastid, Frutafk = 0, Liquidofk = 0, Paofk = 0
            };
        }
 //VALIDAÇÕES
 protected bool ValidarLanchedatarde(LanchedaTardeView pobject)
 {
     if (App.Current.Actives.R_lanchetarde.Frutafk != 0 && App.Current.Actives.R_lanchetarde.Liquidofk != 0 &&
         App.Current.Actives.R_lanchetarde.Paofk != 0)
     {
         App.Current.Actives.bolRefeicoes[3] = true;
         App.Current.Actives.R_lanchetarde.Id_lanchedatarde = LanchedaTardeViewModel.listar().Count + 1;
         return(true);
     }
     else
     {
         return(false);
     }
 }
        //FIM EVENTOS IMAGENS

        /// <summary>
        ///
        /// </summary>
        /// <param name="e"></param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            if (App.Current.Actives.ActiveImagem != null)
            {
                thisImagem.Source = new BitmapImage(new Uri(App.Current.Actives.ActiveImagem, UriKind.RelativeOrAbsolute));
                App.Current.Actives.ActiveImagem = null;
            }
            if (App.Current.Actives.R_lanchetarde.Id_lanchedatarde != 0)
            {
                this.imgLANCHETardeFrutas.Source = new BitmapImage(new Uri(AlimentoViewModel.listarFrutas()[App.Current.Actives.R_lanchetarde.Frutafk - 1].Img_source, UriKind.RelativeOrAbsolute));
                this.imgcopo.Source = new BitmapImage(new Uri(AlimentoViewModel.listarCopos()[App.Current.Actives.R_lanchetarde.Liquidofk - 1].Img_source, UriKind.RelativeOrAbsolute));
                this.imgLANCHETardePaesCereais.Source = new BitmapImage(new Uri(AlimentoViewModel.listarPaes()[App.Current.Actives.R_lanchetarde.Paofk - 1].Img_source, UriKind.RelativeOrAbsolute));
                lanchetardeR = App.Current.Actives.R_lanchetarde;
            }
        }