How to: Enable a WebRequest to Use a Proxy to Communicate With the Internet

This example creates a global proxy instance that will enable any WebRequest to use a proxy to communicate with the Internet. The example assumes that the proxy server is named webproxy and that it communicates on port 80, the standard HTTP port.

示例

WebProxy proxyObject = new WebProxy("http://webproxy:80/");
GlobalProxySelection.Select = proxyObject;
Dim proxyObject As WebProxy = New WebProxy("http://webproxy:80/")
GlobalProxySelection.Select = proxyObject

编译代码

This example requires:

  • References to the System.Net namespace.

请参见

概念

Using Application Protocols

Accessing the Internet Through a Proxy