次のサンプルコードは、SetViewportPreferredHeightメソッドを使用します。
FarPoint.Win.Spread.SpreadView sv = fpSpread1.GetRootWorkbook();
sv.AddViewport(0,0);
sv.SetViewportPreferredHeight(1, 105);
listBox1.Items.Add(sv.GetViewportPreferredHeight(1).ToString());
Dim sv As FarPoint.Win.Spread.SpreadView = FpSpread1.GetRootWorkbook
sv.AddViewport(0, 0)
sv.SetViewportPreferredHeight(1, 105)
ListBox1.Items.Add(sv.GetViewportPreferredHeight(1).ToString())