如何在编译时在.net / C＃应用程序中找到当前时间和日期？

I want to include the current time and date in a .net application so I can include it in the start up log to show the user what version they have. Is it possible to retrieve the current time during compilation, or would I have to get the creation/modification time of the executable?I want to include the current time and date in