public void ToggleViewShadow (Xamarin.Forms.View view, bool isOn)
{
var renderer = view.GetOrCreateRenderer ();
var nativeView = renderer.ViewGroup;
var shadowWrapper = nativeView.Parent as ShadowWrapper;
if (shadowWrapper != null) {
//move back to original parent
shadowWrapper.ResetParent ();
view.SizeChanged -= OnSizeChanged;
}
if (isOn) {
shadowWrapper = new ShadowWrapper (nativeView.Context, nativeView);
view.SizeChanged += OnSizeChanged;
}
}