1type
2  TSheetHeaderFooterImage = (shfiLeft, shfiCenter, shfiRight);

Или

1type
2  TSheetHeaderFooterImage = TOleEnum;
3const
4  shfiLeft = $00000000;
5  shfiCenter = $00000001;
6  shfiRight = $00000002;

Элементы перечисления:

Имя	Значение	Назначение
shfiLeft	0
shfiCenter	1
shfiRight	2