fpSpread1.AddViewport(0, 0);
int i;
fpSpread1.SetViewportPreferredHeight(1, 20);
i = fpSpread1.GetViewportPreferredHeight(1);
textBox1.Text = i.ToString();
FpSpread1.AddViewport(0, 0)
Dim i As Integer
FpSpread1.SetViewportPreferredHeight(1, 20)
i = FpSpread1.GetViewportPreferredHeight(1)
TextBox1.Text = i.ToString()