The SYSTEMTIME struct to convert.
The time zone that the time in the SYSTEMTIME struct is assumed to be (if the SYSTEMTIME was supplied by a Windows system call, the SYSTEMTIME will either be in local time or UTC, depending on the call).
std.datetime.date.DateTimeException if the given SYSTEMTIME will not fit in a SysTime, which is highly unlikely to happen given that SysTime.max is in 29,228 A.D. and the maximum SYSTEMTIME is in 30,827 A.D.
This function is Windows-Only.
Converts a SYSTEMTIME struct to a SysTime.