次のサンプルコードは、指定した列のメモの色を設定します。
fpSpread1.ActiveSheet.Columns[0].NoteIndicatorColor = Color.DarkBlue;
private void button1Click(object sender, System.EventArgs e)
{
fpSpread1.ActiveSheet.Columns[0].ResetNoteIndicatorColor();
}
fpSpread1.ActiveSheet.Columns(0).NoteIndicatorColor = Color.DarkBlue
Private Sub Button1Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
fpSpread1.ActiveSheet.Columns(0).ResetNoteIndicatorColor()
End Sub