检测到网络电缆拔出时

本文介绍了检测到网络电缆拔出时的处理方法，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

Windows会知道您何时从NIC中移除网络电缆。有没有通过API在C ++中确定这个程序的方式？

Windows knows when you have removed the network cable from your NIC. Is there a programmatic way to determine this via API in C++?

注意：我不是使用.NET，这是一个封闭的局域网（不连接到互联网）

Note: I am not using .NET and this is for a closed LAN (not connected to Internet ever)

推荐答案

Raymond Chen 发布了最近类似的东西。以下是相关的文档。我认为MIB_IPADDR_DISCONNECTED标志是你正在寻找。

Raymond Chen blogged about something similar recently. Here is the relevant documentation. I think the MIB_IPADDR_DISCONNECTED flag is what you are looking for.