public Page()
{
CanFocus = false;
ProgressOperationManager = ProgressOperationsManager.Default;
RemovedFromVisualTree.SubscribeForLifetime(Page_Removed, this.LifetimeManager);
BreadcrumbBar = Add(new BreadcrumbBar());
SynchronizeForLifetime(nameof(Bounds), () => { BreadcrumbBar.Width = Width; }, this.LifetimeManager);
}