COleDateTime, Get first day of week, COleDateTimeSpan, VC++ Example

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COleDateTime, Get first day of week, COleDateTimeSpan, VC++ Example

Using class COleDateTime, you can obtain the first day of week easily, below is the VC++ Example source code for this:

// This method will use COleDateTime class to obtain the first day of the week.

COleDateTime CWeekNumber::FirstDayOfWeek(const COleDateTime &date, int nWhich)
{
ASSERT((nWhich >= 1) && (nWhich <= 7));
ASSERT(date.GetStatus() == COleDateTime::valid);

COleDateTime dtVal(date);
int nCurDay = dtVal.GetDayOfWeek() - nWhich;

if (nCurDay < 0)
{
nCurDay += 7;
}

if (nCurDay)
{
COleDateTimeSpan ts(nCurDay);
dtVal -= ts;
}

return dtVal;

}

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