本文介绍了'System.IO.Stream'不包含'CopyTo'的定义的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
您好我在C＃控制台应用程序中收到错误
Hi I am getting the error in my C# Console application
'System.IO.Stream' does not contain a definition for 'CopyTo' and no extension method 'CopyTo' accepting a first argument of type 'System.IO.Stream' could be found (are you missing a using directive or an assembly reference?)
这是我的代码
This is my code
HttpWebResponse response = (HttpWebResponse)httpWReq.GetResponse();
using (var stream = File.Create(fileName))
{
response.GetResponseStream().CopyTo(stream);
}
请求帮助。在此先感谢
Pleas help. Thanks in advance
推荐答案
引用：
如果你必须以.NET2为目标怎么办？
将项目更改为.NET4只是作弊
And what if you have to target .NET2?
Changing the project to .NET4 is just cheating
...
[来自Sam Beauvois的例子给出了针对框架的例子< .NET 4.0
...
This blog[^] from Sam Beauvois gives examples that will target frameworks < .NET 4.0
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