底部的选项卡栏带有 MonoTouch.Dialog？

MonoTouch 和 MonoTouch.Dialog 的新手，但我确信可以创建一个选项卡栏或按钮栏或您想要的名称 - iPhone 底部带有图标/按钮的黑色栏。问题是如何使用 MonoTouch.Dialog 做到这一点？

谢谢你的帮助！

下面的一些代码展示了它是多么容易：

    class MyViewController : UINavigationController {

        public MyViewController (string s)
        {
            TabBarItem = new UITabBarItem (s, null, 1);
            var root = new RootElement (s) {
                new Section (s) {
                    new StringElement (s)
                }
            };
            PushViewController (new DialogViewController (root), false);
        }
    }

    public override bool FinishedLaunching (UIApplication app, NSDictionary options)
    {
        window = new UIWindow (UIScreen.MainScreen.Bounds);

        var nav = new UITabBarController ();
        nav.ViewControllers = new UIViewController [] {
            new MyViewController ("a"),
            new MyViewController ("b"),
            new MyViewController ("c")
        };
        nav.CustomizableViewControllers = new UIViewController [0];

        window.RootViewController = nav;
        window.MakeKeyAndVisible ();
        return true;
    }

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