如何确定哪个网络适配器连接到互联网 [英] How to determine which network adapter is connected to the internet

问题描述

我在写一个程序在C＃中，需要监控当前正在使用的网络带宽量，因此可以做一个后台上传时，互联网使用率较低。我如何可以自动确定哪个网络适配器是一个连接到互联网？

I'm writing a program in C# that needs to monitor the amount of internet bandwidth currently in use so it can do a background upload when the internet usage is low. How can I automatically determine which network adapter is the one connected to the internet?

推荐答案

我结束了下面的链接，MSDN，当我读<一href="http://stackoverflow.com/questions/849375/determine-network-interface-bandwidth-type-without-transferring-data">this页面在那里我找到了 GetBestInterface 功能。我可以用它来寻找连接到Internet的适配器，多数民众赞成

I ended up following a link to MSDN when I was reading this page where I found the GetBestInterface function. I was able to use that to find the adapter thats connected to the internet

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