A little example from Treeview4GL. Source of this example is included in the package.

History :

• 17/03/2000 : bug corrected in addAfterNode. In some circumstances, the inserted node was not correctly inserted and appears as a child node.
• 17/03/2000 : New method : deleteHNode()
• 17/03/2000 : New attribute : expanded( hNode ) to control the expansion of a node
• 17/03/2000 : New attribute : TreeRefresh
• 17/03/2000 : update of the testocx.w demo program.
• 27/03/2000: Version 2.3
• 27/03/2000: new event OnCollapsed,
• 27/03/2000: Image index allow now an opened/closed node image
• 27/03/2000: update of the testocx.w demo program
• 27/03/2000: the name of Active-X is now Treeview4GL.ocx
• 31/03/2000: minor bug corrected. When open/close images specified, the expand of the SELECTED node does not display the correct image. (Version 2.3b)
• 21/04/2000: Version 2.4
• 21/04/2000: new methods : imageSize(width, height) to change the size of icons in the treeview,
• 21/04/2000:resetImages() to reset to standard image list,
• 21/04/2000:the bitmaps added to the treeview are now transparent.
• 21/04/2000:set of includes provided to facilitate the use of treeview from PROGRESS.
• 10/05/2000: Version 2.5
• 10/05/2000: new properties : show lines, buttons, images, hot spot
• 20/06/2000 : added support of CTRL-x keys: onKeyPress event.
• 18/08/2000: Version 2.6
• 18/08/2000: getParent method,
• 18/08/2000: version 2.5 documentation was truncated, correct doc is now available.
• 17-jan-2005: alternate image list,
                              new install program,
                              font control at run-time.

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