tabBar = new UITabBarController();
                        tabBar.ViewControllerSelected += delegate(object sender, UITabBarSelectionEventArgs e) {

                        };

                        MainView = tabBar.View;


                        home = new HomeDialogViewController();
                        contacts = new ContactsDialogViewController();
                        projects = new ProjectsDialogViewController();
                        //invoices = new InvoicesDialogViewController();
                        //invoiceTimeline = new InvoiceTimelineDialogViewController();
                        //users = new UsersDialogViewController();
                        mileage = new MileageDialogViewController();
                        info = new InfoViewController();

                        DataSource.Instance.RegisterViewControllers(home, contacts, projects); //, invoiceTimeline); //, users);

                        tabControllers = new UINavigationController[] {

                                new UINavigationController(home) {
                                        TabBarItem = new UITabBarItem("Home", StockImages.Home, 0)
                                },
                                new UINavigationController(projects) {
                                        TabBarItem = new UITabBarItem("Projects", StockImages.Project, 2)
                                },
                                new UINavigationController(mileage) {
                                        TabBarItem = new UITabBarItem("Mileage", StockImages.GasPump, 3)
                                },
                                new UINavigationController(contacts) {
                                        TabBarItem = new UITabBarItem("Contacts", StockImages.Users, 3)
                                },

                                new UINavigationController(info) {
                                        TabBarItem = new UITabBarItem("Info", StockImages.Info, 4)
                                }
                                //new UINavigationController(invoices) {
                                //      TabBarItem = new UITabBarItem("Invoices", StockImages.Invoice, 3)
                                //}
                                //new UINavigationController(invoiceTimeline) {
                                //      TabBarItem = new UITabBarItem("Invoices", StockImages.Invoice, 3)
                                //}
                                //,
                                //new UINavigationController(users) {
                                //      TabBarItem = new UITabBarItem("Users", StockImages.User, 4)
                                //}
                        };


                        tabBar.SetViewControllers(tabControllers, false);

                        tabBar.ViewControllerSelected += delegate(object sender, UITabBarSelectionEventArgs e) {

                                if (e.ViewController.TabBarItem.Title == "Home")
                                {
                                        home.RefreshFromDatastore();
                                        home.NavigationController.PopToViewController(home.NavigationController.ViewControllers[0], false);
                                }
                        };
                        window.AddSubview(MainView);