private int CalcWeeks()
{
if (TimeCompare.IsSameDay(Date1, Date2))
{
return(0);
}
DateTime week1 = TimeTool.GetStartOfWeek(Date1, FirstDayOfWeek);
DateTime week2 = TimeTool.GetStartOfWeek(Date2, FirstDayOfWeek);
if (week1.Equals(week2))
{
return(0);
}
return((int)(week2.Subtract(week1).TotalDays / TimeSpec.DaysPerWeek));
}