Loading, iterating, and saving photos with WP7

medialib_Sample_Screenshot[1] Friend of Coding4Fun, René Schulte, has an full write-up on how to do some simple drawing, loading, and saving with Windows Phone 7.  René even used multi-touch as well!

He leverages the WriteableBitmapEx class that extends out the WriteableBitmap Silverlight class.

To do a PhotoChooser, the code is simpler than one may think.  Since you're app will navigate away, it works with events.

public MainPage()
   // ...

   // Init chooser
   photoChooserTask = new PhotoChooserTask();
   photoChooserTask.Completed += PhotoChooserTaskCompleted;
   // ...

private void ApplicationBarIconOpenButton_Click(object sender, EventArgs e)

private void PhotoChooserTaskCompleted(object sender, PhotoResult e)
   if (e.TaskResult == TaskResult.OK)
      // Load original image and invalidate bitmap so it gets newly rendered
      var bitmapImage = new BitmapImage();
      Viewport.Source = bitmapImage;
      bitmap = null;


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