How to call a service when a SilverLight OOB app is closing an
I need to call a WCF service to update when my SilverLight app exits. it is an out-of-browser app and I'm using SL4. Since the WCF in SL works only async it is not possible to do on Application.Exit I tried also MainWindow.Closing which is available for OOB but this didn't work either. Tried to make the Closing function wait for th...