Understanding the Silverlight Dispatcher

Question

I had a Invalid Cross Thread access issue, but a little research and I managed to fix it by using the Dispatcher.

Now in my app I have objects with lazy loading. I\'

Answer 1

If you use the MVVM light toolkit you could use the DispatcherHelper class in the Galasoft.MvvmLight.Threading namespace in the Extras dll. It checks the access and uses a static property for the dispatcher, similar to the SmartDispatcher.

In your App.xaml.cs startup event call:

DispatcherHelper.Initialize();

Then anywhere you need to use a dispatcher use:

   DispatcherHelper.CheckBeginInvokeOnUI(() => // do stuff; );