Renvoie the classic XLS AutoFilter field collection for the worksheet. Read-only
La collection utilise des index de champs basés sur 1 correspondant aux colonnes AutoFilter visibles Count returns the number of filtered columns in the current range. Items[Field] and Find(Field) return a TXLSAutofilterItem for that field or nil when the field index is outside the current range
Each item exposes Active, Operator, Criteria1, and Criteria2. Criteria objects expose the stored BIFF8 DOPER DataType, grbitSgn, and Value