How to update ObservableCollection from inside a BackgroundWorker using MVVM?

Question

since two days I am trying to solve the following problem: I have a WPF control where a WrapPanel is bound to an ObservableCollection. An action changes the content of the O

Answer 1

You can update your collection in the BackgroundWorker.RunWorkerCompleted event handler. It runs in the same synchronization context you started it which is a UI thread usually so you can safely use any UI related stuff from there.