GetTickCount函数返回Long，那开机时间很长会不会溢出？

supertankhzt

GetTickCount函数获取自windows启动以来经历的时间长度（毫秒）那开机几十天没关过再调用此函数会不会溢出？

Tesla.Angela

The elapsed time is stored as a DWORD value. Therefore, the time will wrap around to zero if the system is run continuously for 49.7 days.

http://technet.microsoft.com/zh-cn/library/ms885645(en-us).aspx

supertankhzt

Tesla.Angela 发表于 2011-10-28 12:45
http://technet.microsoft.com/zh-cn/library/ms885645(en-us).aspx

原来如此