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Introduction

Last month I wrote about how we could take some of the new features of Silverlight 4, Webcam control,  and create a simple application that lets you store captured webcam photos to isolated storage and your file system.

In this article we will take this proof of concept and demonstrate how through the use of commanding and binding we can virtually eliminate all code behind and implement to a strong MVVM architectural pattern.

Getting Started

I think few would argue with the value of a strong separation of concerns within the design of an application.

Introduction

Since the first release of Silverlight, the community has been patiently waiting for a version of Silverlight which would allow us to capture video from a user’s webcam, as well as audio from their microphone. This past month at PDC 09, our wait was over with the release of Silverlight 4 Beta 1.

In this article we will explore the ways in which Silverlight can interact with a webcam, as well as the powerful results one can produce by combining live video with pixel shaders, video brushes as well as WriteableBitmaps.

Joel Neubeck is talking about using WritableBitmap for smooth transitions between the pages using Navigation Framework:

One thing that i thought was missing was the ability to  create nice looking transitions between pages as they are loaded into a frame.  Recently I voiced my complaint to a coworker and he had the great idea of using a WritableBitmap to capture the current and next page within the Frame, than animating the images.  Here is the solution I arrived at.

Jesse Liberty announces that Eric Mork (of Sparkling Client) has created a site with videos using Joel Neubeck & Tim Heuer's video player that makes terrific use of Hypervideo.