Reloading Eto.Forms content while debugging

MainForm.cs

using Eto.Forms;
using Eto.Drawing;

namespace EtoApp1
    {
    public class MainForm : Form
        {
        public MainForm ()
            {
            Title = "My Eto Form";
            ClientSize = new Size (400, 350);
#if DEBUG
            KeyUp += (sender, args) => 
                {
                if (args.Key == Keys.F5)
                    {
                    LoadContent ();
                    }
                };
#endif
            LoadContent();
            }

        private void LoadContent ()
            {
            Content = new StackLayout
                {
                Padding = 10,
                Items =
                    {
                    "Hello World!",
                    // add more controls here
                    }
                };

            // create a few commands that can be used for the menu and toolbar
            var clickMe = new Command {MenuText = "Click Me!", ToolBarText = "Click Me!"};
            clickMe.Executed += (sender, e) => MessageBox.Show (this, "I was clicked!");

            var quitCommand = new Command {MenuText = "Quit", Shortcut = Application.Instance.CommonModifier | Keys.Q};
            quitCommand.Executed += (sender, e) => Application.Instance.Quit ();

            var aboutCommand = new Command {MenuText = "About..."};
            aboutCommand.Executed += (sender, e) => MessageBox.Show (this, "About my app...");

            // create menu
            Menu = new MenuBar
                {
                Items =
                    {
                    // File submenu
                    new ButtonMenuItem {Text = "&File", Items = {clickMe}},
                    // new ButtonMenuItem { Text = "&Edit", Items = { /* commands/items */ } },
                    // new ButtonMenuItem { Text = "&View", Items = { /* commands/items */ } },
                    },
                ApplicationItems =
                    {
                    // application (OS X) or file menu (others)
                    new ButtonMenuItem {Text = "&Preferences..."},
                    },
                QuitItem = quitCommand,
                AboutItem = aboutCommand
                };

            // create toolbar			
            ToolBar = new ToolBar {Items = {clickMe}};
            }
        }
    }