WebDec 20, 2015 · 3 Answers Sorted by: 4 You can't await async void operations neither you should use async void except for async event handlers. async void has several issues when you misuse it. exceptions thrown inside an async void won't be caught my regular means and will in most cases crash your application. WebJul 24, 2013 · Task.WaitAll (the, list, of, task, objects, you, need, to, wait, on); If it's a void async method then you can't do it. The design is broken. They're only for fire and forget. Share Improve this answer Follow answered Jul 24, 2013 at 20:28 It'sNotALie. 22.1k 12 68 103 4 Unfortunately for @Toto the task objects are not available in his unit test
c# - Using Task.Wait() for waiting while task is finished …
Web8. Return Task (not Task) instead of void. Note, the non-generic form of Task does not need to wrap a value. It's just for signalling completion or errors, not results. In the case of async methods, this is equivalent to a synchronous void return type. It means you can wait for your method to complete. Share. WebApr 4, 2015 · @usr If I cancel the close event, and I instruct the task to close the form when finished, then the Close () method called by a form B will return immediately and the changes that form B will make will crash the updater. The updater needs to be stopped before Close () returns so that form B can apply some changes. mary toward born raisbeck
await operator - asynchronously wait for a task to complete
WebNov 30, 2014 · 20. If you just want to wait for the task to finish, the recommended course of action is to call .Wait (). For a Task (as opposed to a Task) this is the only option. For a Task, however, there is also .Result, which also waits, and that is what you are using. So in your case it is unnecessary to call .Wait (). WebJan 25, 2015 · The static Task.WaitAny() method is very similar to the method above (WaitAll), but instead of waiting for all the tasks to complete, it waits only for the first one that either has completed, was cancelled or has thrown an exception. Moreover, it returns the array index of the first completed task. In the following example, we are starting two … WebMay 30, 2024 · Best practice is to mark function async void only if it is fire and forget method, if you want to await on, you should mark it as async Task. In case if you still want to await, then wrap it like so await Task.Run ( () => blah … hutton club edinburgh