You can use HierarchyTree package to visually build the hierarchies. Easy way to show relations between various items. No coding required. Variety of ways to display hierarchy members. Several different types of members. Features include run-time drag-n-drop support, scrollig, abilitiy to print, save and load the controls. HierarchyTree is licensed as shareware, the cost of the registered version is $18 and full download size is 0.5 MB. You can download a free version of HierarchyTree by following download link at Free Downloads section of this page. HierarchyTree is developed or distributed by CoolDev.Com and is listed under delphi.