OutlineTreeViewX is an advanced interface for displaying and editing hierarchical data. OutlineTreeViewX ActiveX control provides the features found in the Microsoft TreeView control, but with additional properties and functions. The OutlineTreeViewX ActiveX control consists of a collection of nodes which are placed in the left column of the tree. Each node represents a data item in the tree, with the data displayed and edited in right column of tree. Nodes are organized into hierarchical relationships, and are connected by tree lines that represent the branches of the tree. Each node has properties and functions that determine its relationship to other nodes in the hierarchy. The program works with: Delphi, FrontPage, Visual Basic, Visual C and other supported ActiveX tools.