Java’s Morena Image acquisition Framework has a Select source dialog window developed especially for this purpose. It does not use Select source window shown by Data Source Manager, but it’s own Swing Select source dialog window:
selectSource(java.awt.Component parent, TwainSource defaultSource) method of the TwainManager class.
For more information see
http://www.gnome.sk/Twain/jtp.html.
Martin Motovsky