if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) )
{
// Translate to logical position so we get the full extent
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL);
rect.y += treeCtrl->GetScrollPos(wxVERTICAL);
+#endif
size.IncTo(wxSize(rect.GetRight(), rect.GetBottom()));
}