Set the "date" part of this object's value to the specified year, month, and day, and the "time" part to the optionally specified hour, minute, second, and millisecond, if they represent a valid Datetime value, with trailing fields that are not specified set to 0. Return 0 on success, and a non-zero value (with no effect) otherwise.
Declared in <bdlt_datetime.h>
int
validateAndSetDatetime(
int year,
int month,
int day,
int hour = 0,
int minute = 0,
int second = 0,
int millisecond = 0);DEPRECATED: Use setDatetimeIfValid instead.