Use the Page Functions to Retrieve Data and Pass it Back to a Previous Page
In a WPF Navigation based application, it is often necessary to navigate to a page simply to gather data to be returned to the previous page. When returning to the previous page, it would be desirable to have the previous state maintained. PageFunctions act much like a standard function except they are manifested as an actual separate page. In this presentation Todd Miranda demonstrates how to use PageFunctions to retrieve data and pass it back to a previous page.
Author: Todd Miranda