private void GoToUneditableMode()
        {
            var da = CustomAnimation.GetLeavingScreenAnimation(45, 0, false);

            StackPanel_Bottom.BeginAnimation(HeightProperty, da);
            ComboBox.Visibility      = Collapsed;
            TextBlock.Visibility     = Visible;
            Button_Pencil.Visibility = Visible;
        }
        private void GoToEditableMode()
        {
            var da = CustomAnimation.GetEnteringScreenAnimation(0, 45, false);

            StackPanel_Bottom.BeginAnimation(HeightProperty, da);
            ComboBox.Visibility      = Visible;
            TextBlock.Visibility     = Hidden;
            Button_Pencil.Visibility = Hidden;
        }