IWorksheetControllerVerticalScrollPosition Property

The vertical scroll position is defined as following: If 0 (zero), the data row 0 is the first visible line (after the column header). If positive, the data row with the number of VertScrollPos is the first visible row. If negative, the property column with index PropertyColumnCount+VertScrollPos is the first visible line.

int VerticalScrollPosition { get; set; }