Stack Overflow - Question 9150287 - AppDelegate.cs

AppDelegate.cs

public partial class AppDelegate : UIApplicationDelegate
{
    UIWindow window;
    public PageViewController pageViewController;

    public override bool FinishingLaunching (UIApplication app, NSDictionary options)
    {
        pageViewController = new PageViewController ("PageViewController", null);

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