Xtree Control

Description:

EZY Prolog XTree control provides easy to use functionality for tree display and manipulation.

EZY Designer can be used to define complex control layout, which includes xtree view and parameters, such as interior (color, font), border size and etc.

Future versions of Xtree will support complex GUI objects inside tree nodes.

Automatic code generation:

EZY Prolog supports automatic code generation for Xtree control

Control events:

Events:

mouse double click on tree node

selected menu item

Properties:

Object tree

Object menu

Object exterior (font, colors)

Sample program:

Click here for Xtree sample. List of Xtree support functions

This small EZY Prolog program uses Xtree support functions for:

Initialize tree

Change tree direction

Add, remove, insert node to the tree via pop-up menu

Notes:

Minimum programming and coding required for tree control and maximum level of flexibility via programmed user call back predicate.