public override void ViewDidLoad()
		{
			base.ViewDidLoad();
			
			// Perform any additional setup after loading the view, typically from a nib.
			markup_controller = new MarkUpController();
			
			var button_markup = new UIBarButtonItem(UIBarButtonSystemItem.Play);
			button_markup.Clicked += HandleClicked;
			this.NavigationItem.RightBarButtonItem = button_markup; 

            textViewMarkDown.Text = BusinessLogicObject.MarkDown;
            
			return;
		}
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            // Perform any additional setup after loading the view, typically from a nib.
            markup_controller = new MarkUpController();

            var button_markup = new UIBarButtonItem(UIBarButtonSystemItem.Play);

            button_markup.Clicked += HandleClicked;
            this.NavigationItem.RightBarButtonItem = button_markup;

            textViewMarkDown.Text = BusinessLogicObject.MarkDown;

            return;
        }