Today I was reading an excellent post by my fellow Disciple Laurent Bugnion, which led on to a short discussion about performing actions after a user attempts to close a browser window. It got me thinking about the capability to dispatch a web service call in Silverlight just after a user attempts to close the browser window or navigate elsewhere. I have been asked the question before, yet before now, have not attempted to answer it. So today I decided to do some experimenting.
There are two things I wanted to look at. Firstly, I wanted to allow a web service to be called after the Silverlight application’s Exit event is raised. Secondly, I wanted to provide the Silverlight application with the opportunity to cancel, or at least interrupt the close window process.
In the first scenario, I found the way I could achieve the call after the Silverlight applications Exit event was raised, was to call a JavaScript method from Silverlight, and then finally a PageMethod; to perform the housekeeping.
Read more: Codeproject
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