private void FillRowV (int start, int end, int amount, Size spacing)
{
int ypos = TabPages [start].TabBounds.Top;
for (int i = start; i <= end; i++) {
TabPage page = TabPages [i];
int top = ypos;
int height = (i == end ? Height - top - 5 : page.TabBounds.Height + amount);
page.TabBounds = new Rectangle (page.TabBounds.Left, top,
page.TabBounds.Width, height);
ypos = page.TabBounds.Bottom + 1;
}
}