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c# - HttpClient - A task was cancelled? - Stack Overflow
WebWhen you cancel an HttpClient request using a cancellation token, a TaskCanceledException is thrown with a CancellationToken property. However, in some … Webint bytesRead = await Task.Factory.FromAsync(this.stream.BeginRead, this.stream.EndRead, buffer, 0, buffer.Length, null); int-bytesRead=wait Task.Factory.fromsync（this.stream.BeginRead，this.stream.EndRead，buffer，0，buffer.Length，null）； 我想让它支持取消。我知道我可以，但我看不出有什么办法可以传给你 birth protection
c# - Google NLP Api C＃發生System.AggregateException - 堆棧內 …
Web我嘗試使用Google的NLP Api過濾一行文本。 但是，一旦我嘗試返回一個值，就會出現一條錯誤消息。 我已經嘗試調試代碼，但是它不會比創建變量 google 更持久。 此后，程序將返回錯誤消息，指出 MESSAGE CREATED中發生了System.AggregateException 。 這 WebMar 16, 2016 · Sorted by: 366. There's 2 likely reasons that a TaskCanceledException would be thrown: Something called Cancel () on the CancellationTokenSource associated with the cancellation token before the task completed. The request timed out, i.e. didn't … WebThis applies to both synchronous and asynchronous methods. The only difference is that for asynchronous methods that return Task, exceptions should be thrown using the Task class's TrySetException method, rather than being thrown directly. Here's an example of how to throw an exception from an asynchronous method that returns Task: dard nghe an