Each Node can have various height to see more information.The management of height of Node can be carried out through change of property IntegralHeightItem (for all nodes) or through event OnGetIntegralHeightItem (for each node) · Without ComCtl 4.7+ and MFC DLL's r equirement TFlyTreeView is a 32-bit control and You don't need any extra DLLs or OCXs, minimizing run-time distribution size.