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This blog turns out not only to be a collection of how-to samples but also a record of my evolution as a Windows Phone 7 developer. At the end of my previous post, Safe event detachment base class for Windows Phone 7 behaviors, I promised a usage example and I decided to re-implement the behavior to show the Windows Phone 7 camera as background using the SafeBehavior as a base class. This makes the code considerable easier. The base setup of the re-implemented behavior is pretty simple:using System.Windows.Controls; using System.Windows.Media; using System.Windows.Navigation; using Microsoft.Devices; using Microsoft.Phone.Controls; namespace Wp7nl.Behaviors {
/// /// A behavior that shows a camera view on the background of a panel /// public class CameraViewBackgroundBehavior : SafeBehavior { private PhotoCamera camera; private VideoBrush backgroundBrush; public CameraViewBackgroundBehavior() { ListenToPageBackEvent = true; } } } Note this behavior needs to detect the user navigating back to the page – this in necessary because we need to do something with the camera. In stead of all the song and dance for attaching and detaching events...(Read whole news on source site)



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