1type
2  TAggregateType = (atCount, atSumm, atAverage, atMinimum, atMaximum, atAny, 
3    atAll, atCountDistinct);

Или

01type
02  TAggregateType = TOleEnum;
03const
04  atCount = $00000000;
05  atSumm = $00000001;
06  atAverage = $00000002;
07  atMinimum = $00000003;
08  atMaximum = $00000004;
09  atAny = $00000005;
10  atAll = $00000006;
11  atCountDistinct = $00000007;

Элементы перечисления:

Имя	Значение	Назначение
atCount	0
atSumm	1
atAverage	2
atMinimum	3
atMaximum	4
atAny	5
atAll	6
atCountDistinct	7