[1] GetTickCount 関数 ( (2017-03-31 12:00:38 +09:00)) https://msdn.microsoft.com/ja-jp/library/cc429827.aspx

[2] Uptime - Wikipedia ( (2017-03-22 10:43:00 +09:00)) https://en.wikipedia.org/wiki/Uptime

[3] Find the System Up Time from the command line - Microsoft Community ( (2017-03-31 12:03:12 +09:00)) https://answers.microsoft.com/en-us/windows/forum/windows_7-performance/find-the-system-up-time-from-the-command-line/696902fe-9a37-4557-b140-ed55de2a39f9?db=5