public void AddPopup(PopupPage page)
{
page.Parent = Application.Current.MainPage;
var popup = new global::Windows.UI.Xaml.Controls.Primitives.Popup();
var renderer = (PopupPageRenderer)page.GetOrCreateRenderer();
renderer.Prepare(popup);
popup.Child = renderer.ContainerElement;
popup.IsOpen = true;
page.ForceLayout();
}
