次のサンプルコードは、設定した列の最初の行の背景色を変更します。
fpSpread1.InterfaceRenderer = null;
fpSpread1.VisualStyles = FarPoint.Win.VisualStyles.Off;
FarPoint.Win.Spread.SheetTab st;
st = fpSpread1.TabStrip.ActiveSheetTab;
st.BackColor = Color.Red;
FpSpread1.InterfaceRenderer = Nothing
FpSpread1.VisualStyles = FarPoint.Win.VisualStyles.Off
Dim st As FarPoint.Win.Spread.SheetTab
st = FpSpread1.TabStrip.ActiveSheetTab
st.BackColor = Color.Red