Continuation Task in the same thread as previous

Question

I have an WebService that creates a task and a continuation task.

In the first task we set Thread.CurrentPrincipal

Hence, When the Continuat

Answer 1

Call the continuation with TaskScheduler.FromCurrentSynchronizationContext():

Task UITask= task.ContinueWith(() =>
{
 this.TextBlock1.Text = "Complete"; 
}, TaskScheduler.FromCurrentSynchronizationContext());

Copied from https://stackoverflow.com/a/4331287/503969