WPF/C# Don't block the UI

Question

I\'ve an existing WPF application, which has several sections. Every section is a UserControl, that implements an interface.

The interface specify two methods:

Answer 1

You have to implement a callback function (RunWorkerCompleted), this is called when the background worker finishes.

Check out an example here: http://msdn.microsoft.com/en-us/library/cc221403(v=vs.95).aspx