Invalid cross-thread access issue

Question

I have two ViewModel classes : PersonViewModel and PersonSearchListViewModel. One of the fields PersonViewModel implements is a profile image that is downloaded via WCF(cach

Answer 1

I believe you are having a cross threading issue with the UI thread.

Editing the bound object may force an update of the UI on the worker thread, which cannot succeed. You will likely need to do the InvokeRequired/Invoke hokey-pokey whenever you update the bound class.

You said you knew this already, but for reference:

MSDN on thread-safe calls to UI