class FFI::WIN32::FILETIME
msdn.microsoft.com/en-us/library/windows/desktop/ms724284(v=vs.85).aspx Contains a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 (UTC). typedef struct _FILETIME {
DWORD dwLowDateTime; DWORD dwHighDateTime;
} FILETIME
, *PFILETIME;