This is likely TL;DR for many, but, I think comparing await with BackgroundWorker is like comparing apples and oranges and my thoughts on this follow: BackgroundWorker is meant to model a single task that you’d want to perform in the background, on a thread pool thread. async/await is a syntax for asynchronously awaiting on asynchronous … Read more
The only deadlock-safe and exception-safe way to do this that I know is to actually cancel the FormClosing event. Set e.Cancel = true if the BGW is still running and set a flag to indicate that the user requested a close. Then check that flag in the BGW’s RunWorkerCompleted event handler and call Close() if … Read more
This is a common problem with people getting started. Whenever you update your UI elements from a thread other than the main thread, you need to use: this.Dispatcher.Invoke(() => { …// your code here. }); You can also use control.Dispatcher.CheckAccess() to check whether the current thread owns the control. If it does own it, your … Read more