在访问外部Web服务（.NET 2.0）之前获取代理配置 [英] Get Proxy configuration before accessing an external webservice (.NET 2.0)

问题描述

当尝试通过Internet调用外部Web服务上的方法时，它引发了我
远程服务器返回了一个错误：（407）需要代理身份验证。

When trying to invoke a method on an external webservice (over the Internet) it throws me "The remote server returned an error: (407) Proxy Authentication Required."

为解决此问题，我使用以下代码设置了我们在办公室使用的代理：

To solve this, I used the following code to set the proxy we use in the office:

//Set the system proxy with valid server address or IP and port.
System.Net.WebProxy pry = new System.Net.WebProxy("MyHost", 8080);

//The DefaultCredentials automically get username and password.
pry.Credentials = System.Net.CredentialCache.DefaultCredentials;
System.Net.WebRequest.DefaultWebProxy = pry;

这很好，但是现在...我需要做一些少麻烦的尝试我系统中的信息，而不是手动设置。

That works fine, but now... I need to do that "less harcoded" trying to get the information from my system instead of setting that manually.

推荐答案

这将使用我认为（不弃用）IE的默认代理：

This will use whatever the default proxy is for IE I believe (not deprecated):

Services.MyService service = new Services.MyService();
service.UseDefaultCredentials = true;
service.Proxy = new System.Net.WebProxy();
service.Proxy.Credentials = service.Credentials;

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