Intro
I came across a scenario in which my app exposed multiple methods for navigating to a particular page.
Method 1: XAML
One exposed method was from the app menu in which the navigation was implemented in XAML:
Method 2: Code-behind of Initial page
Another exposed method was to perform navigation from another page’s code-behind:
Method 3: Code-behind of Target page
Unfortunately, there was no current way to specify navigation arguments in XAML even though the navigation mapping was defined in XAML.
Thus, I had to override the target page’s OnAppearing method to handle post-navigation details (i.e. arguments):
Scott Nimrod's Blog 
Scott. Years later still have your blog saved. If you remember Edwind and Sai. Shoot me an email
Samandgonzie@yahoo.com