次のサンプルコードは、RemoveRangeGroupメソッドを使用します。
fpSpread1.ActiveSheet.Columns.AddRangeGroup(1, 3);
private void button1_Click(object sender, EventArgs e)
{
fpSpread1.ActiveSheet.Columns.RemoveRangeGroup(1, 3);
}
FpSpread1.ActiveSheet.Columns.AddRangeGroup(1, 3)
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
FpSpread1.ActiveSheet.Columns.RemoveRangeGroup(1, 3)
End Sub