Method and system for displaying a hierarchical sub-tree by sele

Details Method and system for displaying a hierarchical sub-tree by sele Method and system for displaying a hierarchical sub-tree by sele

1996-08-07

1999-07-13

Kim, Matthew M.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

345339, 345348, G06F 314

Patent

active

059233281

ABSTRACT:
A sub-tree bar control is provided that aggregates a group of sub-tree view controls. The sub-tree bar control contains user interface elements that are associated with sub-tree view controls. Each sub-tree view control enables an application program to display a list of items as a hierarchical sub-tree in a window. When a user selects the user interface element associated with the node, the sub-tree view control is displayed in a window. By displaying a sub-tree view control, the user views only the information that the user is interested in viewing. Since the sub-tree view control displays only a sub-tree, instead of an entire tree, it typically takes up less display space on the video display than a control that contains an entire tree. Additionally, the sub-tree view control automatically ceases to be displayed based on certain events. The window in which the sub-tree view control is displayed can be resized, either vertically or horizontally. Nodes in the sub-tree can be expanded or contracted. Nodes in the sub-tree can also be selected as root nodes of sub-trees for new sub-tree view controls or otherwise be manipulated as the nodes in the tree displayed in the tree-view control. Moreover, the nodes that are roots of the sub-trees are displayed on the sub-tree bar control so as to provide easy selection of the sub-tree view controls.

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