private void ManageVScrollBar()
{
if (!m_alwaysShowVScroll)
return;
int totalItemHeights = 0;
foreach (ExplorerBarItem item in m_items)
totalItemHeights += item.Height;
if (totalItemHeights > ClientSize.Height)
{
VerticalScroll.Enabled = true;
AutoScroll = true;
}
else
{
AutoScroll = false;
VerticalScroll.Visible = true;
VerticalScroll.Enabled = false;
}
}