protected override void OnNavigatedTo(NavigationEventArgs e)
        {

            if (e.Parameter != null)
            {
                meal = (MealViewModel)e.Parameter;

                editor.Document.SetText(Windows.UI.Text.TextSetOptions.FormatRtf, meal.GetTextRepresentation(meal));
                
                /*editor.Document.SetText(Windows.UI.Text.TextSetOptions.FormatRtf, "0123456789\n0123456789");
                editor.Document.Selection.StartPosition = 9;
                editor.Document.Selection.EndPosition = 12;
                ITextSelection sel = editor.Document.Selection;

                if (sel != null)
                {
                    ITextCharacterFormat charFormatting = sel.CharacterFormat;
                    charFormatting.Bold = FormatEffect.Toggle;
                    //charFormatting.Size = 20;
                    //charFormatting.BackgroundColor = Colors.Red;
                    charFormatting.ForegroundColor = Colors.Red;
                    sel.CharacterFormat = charFormatting;
                }*/
            }
        }