wxTreeItemId h, lastH;
for(h=m_treeCtrl->GetFirstVisibleItem();h;h=m_treeCtrl->GetNextVisible(h))
{
if (m_treeCtrl->GetBoundingRect(h, itemRect))
{
wxTreeItemId h, lastH;
for(h=m_treeCtrl->GetFirstVisibleItem();h;h=m_treeCtrl->GetNextVisible(h))
{
if (m_treeCtrl->GetBoundingRect(h, itemRect))
{