fpSpread1.AddViewport(1, 1);
fpSpread1.SetViewportLeftColumn(1, 3);
fpSpread1.SetViewportTopRow(0, 6);
fpSpread1.SetViewportPreferredHeight(0, 100);
fpSpread1.SetViewportPreferredWidth(0, 100);
FarPoint.Win.Spread.SpreadView sv;
sv = fpSpread1.GetRootWorkbook();
listBox1.Items.Add(sv.GetRowSplitBoxRectangle(0));
fpSpread1.AddViewport(1, 1)
fpSpread1.SetViewportLeftColumn(1, 3)
fpSpread1.SetViewportTopRow(0, 6)
fpSpread1.SetViewportPreferredHeight(0, 100)
fpSpread1.SetViewportPreferredWidth(0, 100)
Dim sv As FarPoint.Win.Spread.SpreadView
sv = fpSpread1.GetRootWorkbook()
ListBox1.Items.Add(sv.GetRowSplitBoxRectangle(0))