private async void ThrowExceptionAsync() { throw new InvalidOperationException(); } public void AsyncVoidExceptions_CannotBeCaughtByCatch() { try { ThrowExceptionAsync(); } catch (Exception) { // The exception is never caught here! throw; } }
如果使用 async void， 那么方法抛出的异常，别的方法永远不会捕捉到【上面的代码】
参考：
https://docs.microsoft.com/en-us/archive/msdn-magazine/2013/march/async-await-best-practices-in-asynchronous-programming#avoid-async-void
C# 异步方法，尽量避免使用async void而是要用async Task
原文：https://www.cnblogs.com/lishidefengchen/p/14866939.html