Understanding Frame and Page Navigation on the Windows Phone 7 platform

Introduction

Windows Phone application developers are aware that WP allows using bothSilverlight and XNA for developing applications for the platform. The Silverlight-based WP page model might be familiar to many Silverlight developers (CheckMSDN's Silverlight Navigation Overview if you need a refresher). However there are a few points which transcend when we talk of Windows Phone platform.

First, there is a dedicated "Back" hardware button on the Windows Phone 7 devices. Second, the form factor allows applications to be invoked out of turn (another application can be launched by clicking the Launch button and selecting an application) when you least expect it.

Elegant application developers are expected to handle such scenarios to ensure that their applications can fit naturally into the Windows Phone 7 navigation model and provide default transitions that mimic the Windows Phone 7 theme.

Windows Phone 7 applications are composed of a container element called PhoneApplicationFrame that can render PhoneApplicationPage.

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