I have a NavigationWindow that hosts pages. When navigating to a Page, in its constructor, calling NavigationService.GetNavigationService(this) yields null, but in the Page_Loaded event it returns the desired object.
The thing is, regardless which page is loaded, the NavigationService object is the same. I checked this using GetHashCode().
So if it really is the same object every time, why does it have to be null in the Page constructor? And why do I have to pass a DependencyObject, when it returns the same object anyway?
Is there anything that prevents me from assigning the NavigationService object to a static variable and reuse it?