相关时间的日期和时间 [英] Date and time at relatime

问题描述

我们如何实时获取计算机的日期和时间?
意思是，如果有人更改了计算机的日期和时间，我们如何在.net 2008中获取实际的日期和时间?

How can we get date and time of computer at realtime ?
Means, If someone changes date and time of computer, how can we get the actual date and time in .net 2008 ?

推荐答案

尝试此链接..

http://nickstips.wordpress.com/2010/02/12/c -get-nist-internet-time/ [

try this link..

http://nickstips.wordpress.com/2010/02/12/c-get-nist-internet-time/[^]

如果用户有权更改系统日期和时间，那么您将找不到简单的解决方案.您当然可以尝试检测是否进行了这样的更改，但这不会帮助您进行更正.

以下是您的问题的两种解决方案:

If the user has the right to change the systems date and time there is no easy solution for you. You could of course try to detect if such a change was made, but that will not help you in correcting it.

Here are two solutions to your problem:

1. 如果计算机可以访问Internet，则可以使用此解决方案中建议的网络上的时间服务器和SNTP协议获取正确的日期和UTC时间:

1. If the computer has access to the internet you can get the correct date and UTC time using a timeserver on the net and the SNTP protocol as proposed in this solution: Simple Network Time (NTP) Protocol Client [^]
2. The next best thing I could think of is still harder to do and also costlier as it would require bundling a hardware dongle with your software that would include a time keeping mechanism (Calendar & Clock).

希望有帮助，

曼弗雷德(Manfred)

Hope that helps,

Manfred

我不知道你在哪里遇到问题，

I don''t know where you are getting problem,

DateTime.Now

将返回当前系统的日期时间.

谢谢
--RA

will returns the current system datetime.

Thanks
--RA

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