void SetupScrollView() { var OverviewController = Storyboard.InstantiateViewController("OverviewController") as OverviewController; var CameraController = Storyboard.InstantiateViewController("CameraController") as CameraController; MainScrollView.ContentSize = new CoreGraphics.CGSize(View.Frame.Width * 2, View.Frame.Height); OverviewController.View.Frame = new CoreGraphics.CGRect(CameraController.View.Frame.Width, 0, View.Frame.Width, View.Frame.Height); CameraController.View.Frame = View.Frame; MainScrollView.Frame = View.Frame; MainScrollView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth; MainScrollView.AddSubview(OverviewController.View); MainScrollView.AddSubview(CameraController.View); View.BringSubviewToFront(MainScrollView); }