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Resetting the Live Tile in Windows Phone
This article explains how to Reset the Live Tile information to the default in Windows Phone 7, 8
The ability to update the Live Tile in Mango is a really great feature. I have an application where I’m generating dynamic images and setting the live tile to an isostore:/Shared/ShellContent url. But, I have a setting that the user can use to turn on/off live tile updates. When turning it off, I initially couldn’t figure out how to reset the tile.
The trick is to use an appdata: url to refer to your original image. For example, if your standard tile image is called “background.png”, then you can use the following to reset it:
Note: If you have changed any other properties like the BackContent, you will want to reset them by setting them to “”. Passing in null will leave the values unchanged.
This is a simple method of updating your Application's Live Tile from a IsolatedStorage rather than from a web service.