Macca
public text v1 · immutable DateTime dt = (DateTime)Value;
TimeSpan ts = dt.Subtract(new DateTime(1, 1, 1));
int IntDate = ts.Days + 1721426;
int IntTime = (int)(ts.TotalMilliseconds - (ts.Days * (TimeSpan.TicksPerDay / 10000)));
BitConverter.GetBytes(IntDate).CopyTo(Data, 0);
BitConverter.GetBytes(IntTime).CopyTo(Data, 4);