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  • 5 comments  /  posted by  Thomas Holloway  on  Jul 06, 2008 (more than a year ago)

    Note: This article is submitted by Thomas Holloway for Silverlight Contest: Write and Win.Thanks a lot, Thomas! Hello All, Please drop a comment if you like it.

    Overview
    Alright, so now that we know what a simple messenger looks like with WCF callbacks, what does it take to put one together in Silverlight? For starters, Silverlight does not have the same capabilities as the full WCF framework. WCF callbacks in Silverlight must be done through HTTP Polling and therefore we don’t really have a truly bi-directional environment. Instead, we must manually setup the message asynchronous message architecture with a few special classes in a new System.ServiceModel.PollingDuplex library.

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