使用 WMI 和 C# 检测机器是在线还是离线

detect if machine is online or offline using WMI and C#(使用 WMI 和 C# 检测机器是在线还是离线)

问题描述

我用的是vs2008，winxp，局域网内有Win2003服务器.

I use vs2008, winxp, in LAN network with Win2003 servers.

我想在winxp中安装一个应用程序来检测win2003机器是在线还是离线，启动时是否离线.

I want a application installed in winxp for detect if win2003 machines is online or offline , and if offline when boot it.

我有这些参考资料，还有更多参考资料、代码示例和最佳实践吗??

I have this references, any more references, code samples and best practices ??

http://danielvl.blogspot.com/2004/06/how-to-ping-in-c-using.html

http://snipplr.com/view/2157/ping-using-wmi-pingstatus/

http://dotnoted.wordpress.com/2005/01/15/the-popular-c-ping-utility/

http://www.visualbasicscript.com/Ping-WMI-amp-NonWMI-Versions-Functions-amp-Simple-Connectivity-Monitor-m42535.aspx

推荐答案

我会选择.NET System.Net.NetworkInformation.Ping，因为它非常灵活，你有可能异步执行它，我发现它比 WMI 更直观(我已经使用了这两种方法，并且仅当我需要从远程机器获取更多信息而不仅仅是 ping 时才使用 WMI).但这只是个人意见.

I would go for the .NET System.Net.NetworkInformation.Ping, because it is quite flexible, you have the possibility of doing it asynchronously and I find it more intuitive than WMI (I have used both and use WMI only if I need to get more info from the remote machine than just the ping). But this is just a personal opinion.

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