void UpdateContainerArea()
{
Element.ContainerArea = new Rectangle(0, 0, _container.ContentWidth, _container.ContentHeight);
// Resize the inside pages
RefreshInsidePagesSize();
// Rechange visibility again(avoid after change phone orientation, the first page will show up)
IVisualElementRenderer renderer = _currentPage.GetOrCreateRenderer();
_container.RecalcVisiblitiy(renderer.ContainerElement);
}