Silverlight 4.0 support Trusted Com Interop. we need to interoperate with devices. thant we can do only expose a com interface? What about What about having your Silverlight application talk with Office applications? Using the ComAutomationFactory API, you can now have your Silverlight application instantiate and interact with COM applications on the Windows client.
Silverlight ComAutomationFactory API to interoperate with COM applications from within a Silverlight trusted application.
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