次のサンプルコードは、列定義の表示名を取得します。
fpSpread1.ActiveSheet.Columns[0].AllowAutoFilter = true;
Dim fcd As FarPoint.Win.Spread.FilterColumnDefinition = fpSpread1.ActiveSheet.RowFilter.GetFilterColumnDefinition(0)
MessageBox.Show(fcd.Filters[0].DisplayName);
FpSpread1.ActiveSheet.Columns(0).AllowAutoFilter = True
Dim fcd As FarPoint.Win.Spread.FilterColumnDefinition = FpSpread1.ActiveSheet.RowFilter.GetFilterColumnDefinition(0)
MessageBox.Show(fcd.Filters(0).DisplayName)