protected virtual void ShowModalCardViewController(UIViewController viewController, MvxBasePresentationAttribute attribute, MvxViewModelRequest request) { viewController.ModalPresentationStyle = UIModalPresentationStyle.Custom; viewController.TransitioningDelegate = FromBottomTransitionDelegate; MasterNavigationController.PresentViewController(viewController, true, null); FromBottomTransitionDelegate.WireToViewController(viewController); }