以下是我下载的方法: {
HttpClient client = new HttpClientmyfolder.CreateFileAsync("image.jpg", CreationCollisionOption.ReplaceExisting).GetResults();// this line throws an exceptionof type 'System.InvalidOperation
2019.10.25 14:54:08.058 ERROR Remote: An exceptionoccurred while invoking executor 'executor://mstestadapter/v2': Method not found: 'Void Microsoft.VisualStudio.TestTools.UnitTesting.TestContext.set_CancellationTokenSource(System.T