As the following hierarchy suggests, templatized base classes provide identical functionality to the tree control and tree view classes.

The SECTreeCtrl class is not derived from CTreeCtrl. It is ultimately CWnd-derived. Multi-column support is provided through the SECListCtrl class.

This class supports the SECTreeCtrl class. Although the SECTreeCtrl class manages the first column, which is the tree structure itself, the SECListCtrl class manages any additional columns in the tree control. This class is not supported outside the scope of the SECTreeCtrl class.