fpSpread1.Sheets[0].Cells[0, 0, 2, 2].Value = 3;
FarPoint.Win.Spread.DynamicFilterItem dy = new FarPoint.Win.Spread.DynamicFilterItem(FarPoint.Win.Spread.DynamicFilterType.AboveAverage);
FarPoint.Win.Spread.IRowFilter rowFilter = new FarPoint.Win.Spread.HideRowFilter(fpSpread1.ActiveSheet);
FarPoint.Win.Spread.FilterColumnDefinition fd = new FarPoint.Win.Spread.FilterColumnDefinition(1, FarPoint.Win.Spread.FilterListBehavior.Custom);
fd.Filters.Add(dy);
rowFilter.ColumnDefinitions.Add(fd);
fpSpread1.ActiveSheet.RowFilter = rowFilter;
fpSpread1.ActiveSheet.AutoFilterColumn(1, dy.DisplayName, 0);
fpSpread1.ActiveSheet.AutoFilterMode = FarPoint.Win.Spread.AutoFilterMode.EnhancedContextMenu;