How to stop BackgroundWorker on Form's Closing event?

Question

I have a form that spawns a BackgroundWorker, that should update form\'s own textbox (on main thread), hence Invoke((Action) (...)); call.
If in Handl

Answer 1

I'd pass in the SynchronizationContext associated with the textbox to the BackgroundWorker and use that to perform Updates on the UI thread. Using SynchronizationContext.Post, you can check if the control is disposed or disposing.