C＃如何检测局域网上的某台计算机是否关机 [英] C# how do I can detect some computer on LAN for shutdown

问题描述

Hi
我需要在C＃中使用一些可以检测LAN上任何系统关闭的应用程序。如果通过LAN连接两台计算机，如何在一台计算机的C＃中识别另一台系统已关闭。或者一台计算机如何通知其他人正在关闭

谢谢



我尝试了什么：



我曾经尝试过TCP IP但是没有这方面的要求。

Hi I need to have some application in C# that can detect shutdown of any system on LAN. If two computers are connected through LAN, how is it possible in C# for one computer to identify that the other system has been shutdown. OR how can one computer notify other that it is shutting down
Thanks

What I have tried:

Well I had tried TCP IP but there is no requirement in this regard.

推荐答案

我不知道知道是否有更复杂的方法来做...



但可能是使用常规 ping

如果LAN合作伙伴在那里，如果没有超时则有答案。



您将无法使用要知道计算机是否已关闭或LAN电缆已拔下，但这是一个开始。





如果确实需要要知道什么时候关机，那么你可以创建一个在后台运行的小应用程序或服务：

1）app / service监听TCP输入

2）如果窗口关闭，app / service会在退出时向给定的伙伴发送广播TCP电报或具体电报



但是，如果关闭是困难的，你就不会有信号（例如黑掉）

I don't know if there is a more sophisticated way to do it...

but a possibility could be to use a regular ping
If the LAN partner is there, there is an answer if not a timeout.

You won't be able to know if the computer was switched down or the LAN cable was unplugged, but it is a start.


If it is really needed to know when shutdown is, then you can created an tiny application or service that run in the background:
1) The app/service listens the TCP input
2) the app/service sends a broadcast TCP Telegram or a concrete telegram to the given partner when exiting if windows is shutdown

But you won't have a signal if the shutdown is a hard one (e.g. black out)

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