Gets the day of the year represented by this date/time value.
int GetDayOfYear( ) const throw( );
The day of the year represented by the value of this COleDateTime object or COleDateTime::error if the day of the year could not be obtained.
Valid return values range between 1 and 366, where January 1 = 1.
For information on other member functions that query the value of this COleDateTime object, see the following member functions:
COleDateTime t(1999, 3, 19, 22, 15, 0); // 10:15PM March 19, 1999
ASSERT(t.GetDayOfYear() == 78); // 78th day of that year