- "Treeview" redirects here. There is also a phylogenetic tree visualization software named TreeView.
A tree view or an outline view is a graphical control element that presents a hierarchical view of information. Each item (often called a branch or a node) can have a number of subitems. This is often visualized by indentation in a list.
An item can be expanded to reveal subitems, if any exist, and collapsed to hide subitems.
Extended tree view is the central component of outliner applications, where each node consists of editable text.
Personal information managers also frequently employ tree-view controls. When the user selects an outline node, the text and/or other content associated with the node appears in an adjacent part of the application; thus the content can be organized according to the outline's categories and sub-categories. The first PIM employing a tree-view outline was TreePad, created in 1995 by Dutch programmer Henk Hagedoorn.
- Tree view widget in the GTK+ API
- Tree view control in the Win32 API (MSDN)
- Yahoo! UI Library y
- Extended TreeView for .NET WinForms
- TreeView Control in ASP.NET 2.0
- Interview with Henk Hagedoorn, developer of first tree-view PIM
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