VitNX_ScrollBase.OnMouseWheel Method

protected override void OnMouseWheel(MouseEventArgs e)
 {
     base.OnMouseWheel(e);
     var horizontal = false;
     if (_hScrollBar.Visible && ModifierKeys == Keys.Control)
         horizontal = true;
     if (_hScrollBar.Visible && !_vScrollBar.Visible)
         horizontal = true;
     if (!horizontal)
     {
         if (e.Delta > 0)
             _vScrollBar.ScrollByPhysical(3);
         else if (e.Delta < 0)
             _vScrollBar.ScrollByPhysical(-3);
     }
     else
     {
         if (e.Delta > 0)
             _hScrollBar.ScrollByPhysical(3);
         else if (e.Delta < 0)
             _hScrollBar.ScrollByPhysical(-3);
     }
 }