Silverlight MediaElement tutorial. Creating a video and audio player.

Video in Silverlight is played by using the built-in MediaElement class. You might have seen some video frameworks like Silverlight Media Framework, Expression Encoder Player or Open Video Player, they all are based on this class. Though these frameworks look quite complex, in reality they are just wrappers around the built-in MediaElement or SmoothStreamingMediaElement classes and all that they do is adding design, control buttons and some extra functionality like advertisement and diagnostics. So you can build such video player by yourself.

The simplest media player

Here is the simplest code which will work:

<MediaElement 
    Source="http://ecn.channel9.msdn.com/o9/content/smf/progressivecontent/wildlife.wmv" />

It will start playing video as soon as the page is loaded and the video fills the entire page uniformly (keeping its aspect ratio).
Simplest_MediaElement

If it doesn’t work, make sure that the address of your page looks like `http://…` and not `file://…`. You can fix the url in this way by adding a web application project to your solution and running it.

Now I will explain how to improve the code above so that it looks more like a video player.
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Windows Phone select and upload image to a website over HTTP POST

You have often seen photo sharing websites where you can attach images and after clicking the submit button the local images will be uploaded to the server. It is implemented by using HTML forms which send HTTP requests automatically. But if your application is not a web application written in HTML, you should write HTTP requests by yourself. You should do that in Windows Phone too.

So the full sequence consists of 2 actions: 1 – select an image, 2 – upload it to the server.
ChoosePhotoPage
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