protected override void OnSizeAllocated(double width, double height) { base.OnSizeAllocated(width, height); System.Diagnostics.Debug.WriteLine("deg : onSizeAllocated " + width + ", " + height); /* * SideBounds = new ViewBounds * { * X = width * }; * * Side.BindingContext = SideBounds; */ Side2.LayoutTo(new Rectangle(Width, 0, 300, 100), 300); Side.LayoutTo(new Rectangle(Width, 0, 300, 100), 300); Scroller.LayoutTo(new Rectangle(80, 0, 200, 100)); }