C# 10 Threading guide with Task.Run() Causing Deadlocks in Async Methods
After trying multiple solutions online, I still can't figure this out. I'm working on a personal project and I need some guidance on I've been banging my head against this for hours... I'm experiencing a deadlock in my C# 10 application when using `Task.Run()` inside an asynchronous method. The method is designed to perform some CPU-bound work in the background while still allowing the UI to remain responsive. However, after implementing the following code, I noticed that the application hangs indefinitely when invoking the async method: ```csharp public async Task ProcessDataAsync() { var result = await Task.Run(() => PerformHeavyComputation()); UpdateUI(result); } private int PerformHeavyComputation() { // Simulate heavy computation Thread.Sleep(5000); return 42; } private void UpdateUI(int result) { // Update UI elements LabelResult.Text = result.ToString(); } ``` The method `ProcessDataAsync()` is called from an event handler in a WinForms application. I understand that `Task.Run()` is intended to offload work to a thread pool thread, but when `await` is used, it seems to cause a deadlock since the UI context want to be released while waiting for `PerformHeavyComputation()` to complete. I've tried using `ConfigureAwait(false)` to release the UI context, but that didn't change the behavior. Here’s the modified code: ```csharp public async Task ProcessDataAsync() { var result = await Task.Run(() => PerformHeavyComputation()).ConfigureAwait(false); UpdateUI(result); } ``` Despite this, the deadlock continues. The UI remains unresponsive and never updates with the computation result. I also checked for any blocking calls in the UI thread that might interfere, but there doesn’t appear to be any. Any insights into why this is occurring and how to resolve it would be greatly appreciated. I'm looking for a practical solution to ensure that my UI remains responsive while performing background computations. Has anyone else encountered this? I'm using C# 3.10 in this project. Any examples would be super helpful. Is there a better approach? Am I missing something obvious?