HttpClient.PostAsync沒有VS 2010

Question

等待這是一個後續行動這樣一個問題：

How to upload file to server with HTTP POST multipart/form-data

這似乎是上傳多形式的數據很好的解決方案。該圖書館通過NuGet在VS 2010中提供。

但是，下面的代碼使用await關鍵字，這是在2010年VS

不可用什麼將是該代碼的正確相當於不使用await？

HttpClient httpClient = new HttpClient(); 
MultipartFormDataContent form = new MultipartFormDataContent(); 

form.Add(new StringContent(username), "username"); 
form.Add(new StringContent(useremail), "email"); 
form.Add(new StringContent(password), "password"); 
form.Add(new StringContent(usertype), "user_type"); 
form.Add(new StringContent(subjects), "subjects"); 
form.Add(new ByteArrayContent(imagebytearraystring, 0, imagebytearraystring.Count()), "profile_pic", "hello1.jpg"); 
HttpResponseMessage response = await httpClient.PostAsync("PostUrl", form); 

response.EnsureSuccessStatusCode(); 
httpClient.Dispose(); 
string sd = response.Content.ReadAsStringAsync().Result; 

Answer 1

你所做的響應內容相同的事情

HttpResponseMessage response = httpClient.PostAsync("PostUrl", form).Result;