GetDataComplete handled in the U/I thread?

See more:

Silverlight

threads

Can I assume that "GetDataComplete"'s async web service completed event is always invoked in the U/I thread? In which case the code below is redundant. Or is that good defense for scenarious where it may call from another thread.

var svc = new ServiceTest.Service1Client();
svc.GetDataCompleted += (o, evt) =>
{
    if (null == evt.Error)
    {
        Dispatcher.BeginInvoke(() =>
                                   {
                                       label1.Content
                                           = evt.Result;
                                   }
            );
    }
};

Thanks!