dateTimeToTimeStamp function

Implementation

TTimeStamp dateTimeToTimeStamp(DateTime dt) {
  final days = DateTime(dt.year, dt.month, dt.day)
          .difference(DateTime(1899, 12, 30))
          .inDays +
      dateDelta;
  final msecs =
      dt.hour * 3600000 + dt.minute * 60000 + dt.second * 1000 + dt.millisecond;
  return TTimeStamp(msecs, days);
}