e(tableB)) {
  // Tables are different, which will be the case for the example tree
}
\endcode

We can also export detailed information about a tree to files are read them back at a later time. See Qtilities::CoreGui::TreeNode::saveToFile() for more information.

\subsection trees_lifetime_monitoring Trees automatically monitor the lifetime of objects in it

Trees automatically monitor the lifetime of objects inside the tree. Thus if we delete any item or node in a tree the tree will automatically refresh a