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Silverlight, Actions and Prism

When using Prism for composition in Silverlight how do I attach actions between modules? Am I forced to use the event system or is there a way to set the TargetName for my Actions to the name of a UserControl in a different module? For Example: <Image Height="40" HorizontalAlignment="Right" VerticalAlignment="Bottom" Width="40" Source="/SilverlightDemo.MainToolbar;Component/Images/i_chart.png" Stretch="Fill" Canvas.Left="222" Canvas.Top="55">               ...
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ESRI Silverlight Map vs. Prism Regions

After a day or so of working with Silverlight it became quite apparent that you can’t, no you Shouldn’t build Silverlight LOB (Line of Business) applications without Prism. Prism offers a way to break down your application into modules. And it uses Regions as a way to put it all back together again. Its very similar to the ASP.NET MasterPage/Content area approach. Unfortunately for me; the control toolkit I’m using (I work for GISi now; its a mapping company…more on that in a future post) is from ESRI but none of the ESRI samples use Prism. When I got down to the nitty gritty I ended...
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