Best practice regarding number of threads in GUI applications

Question

In the past I\'ve worked with a number of programmers who have worked exclusively writing GUI applications.

And I\'ve been given the impression that they have almost

Answer 1

Most GUI frameworks are not thread safe, meaning that all controls have to me accessed from the same thread that created them. Still, it's a good practice to create worker threads to have responsive applications, but you need to be careful to delegate GUI updates to the GUI thread.