Downloading TrackFocusDemo 6.0.240.7 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. This free software is a product of Oracle and/or its affiliates. The program lies within Photo & Graphics Tools, more precisely Slideshow & Presentation. The most popular versions of the tool 6.0 and 1.4.
From the developer:
TrackFocusDemo tracks the focus owner by installing a property change listener on the keyboard focus manager.
Demonstrates how to implement an Input- Verifier that puts up a dialog when user input is invalid. And this is a free application, so it`s perfect for you.
You may want to check out more software, such as Momindum Timecoder 2007 or ImageSkill TileBuilder, which might be related to TrackFocusDemo.