Prism: Share data between ViewModels loaded into a region?

Prism has the concept of "Region Context" that you might be able to use, depending on your scenario.

Prism has the concept of "Region Context" that you might be able to use, depending on your scenario. Check out the Prism Region documentation and look for the section entitled "Sharing Data Between Multiple Regions" (though this title is a little misleading...). If you find this doesn't work for you, I would suggest writing a custom inheriting attached property that you can bind to from subviews and modify from the parent view.

This looks just like what I needed, thanks! – Sam Dec 13 '10 at 15:38.

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