Saving a background image to local storage

In this recipe we will learn how to save image files to a local storage folder. We will make use of the IsolatedStorageFile class.

Getting ready

For this recipe let's copy the simple MyTasks app solution folder we built in the previous recipe and rename the folder to Ch2_Recipe4_MyTasks. After you open the project, just press F5 and run it to make sure you don't get any errors.

How to do it...

Let's add a button control in the settings page to launch the built-in Photo Chooser utility. Once the desired photo is selected we will save the image to local storage.

1. Open the settings .xaml file and add a text block control and button control inside the ContentPanel grid:

   <TextBlock Height="55" HorizontalAlignment="Left" Margin="12,199,0,0" Name="textBlock1" Text="Bacground Image" TextWrapping="Wrap" VerticalAlignment="Top" Width="115" />
   <Button Content="Browse" Height="77" Margin="119,0,70,331" Name="btnBrowse" VerticalAlignment="Bottom" Click="btnBrowse_Click...