private void RecalcHScrollBar(int cols)
{
if (HScrollBarVisible)
{
mHScrollBar.Minimum = 0;
mHScrollBar.Maximum = cols + HorizontalPage - 1;
mHScrollBar.LargeChange = HorizontalPage;
mHScrollBar.SmallChange = 1;
if (mHScrollBar.Value > MaximumHScroll)
mHScrollBar.Value = MaximumHScroll;
}
}