void OnSwipedEvaluation(object sender, SwipedEventArgs e)
        {
            if (e.Direction.ToString() == "Left")
            {
                LineEvaluation.IsVisible = false;
                LineImage.IsVisible      = false;
                LineEvolution.IsVisible  = true;

                CollectionEvolution.IsVisible   = true;
                CollectionImagens.IsVisible     = false;
                CollectionEvaluations.IsVisible = false;
                BindingContext = new EvolutionsPatientViewModel();
            }
            else if (e.Direction.ToString() == "Right")
            {
                LineEvaluation.IsVisible = false;
                LineEvolution.IsVisible  = false;
                LineImage.IsVisible      = true;

                CollectionEvolution.IsVisible   = false;
                CollectionEvaluations.IsVisible = false;
                CollectionImagens.IsVisible     = true;
                BindingContext = new ImagePatientViewModel();
            }
        }
        private void OnButtonImages(object sender, EventArgs e)
        {
            LineEvaluation.IsVisible = false;
            LineEvolution.IsVisible  = false;
            LineImage.IsVisible      = true;

            CollectionEvolution.IsVisible   = false;
            CollectionEvaluations.IsVisible = false;
            CollectionImagens.IsVisible     = true;
            BindingContext = new ImagePatientViewModel();
        }