15. Composite Widgets.

Composite widgets combine the functions of two or more widget primitives into something that is not quite a stand alone program but is something that may prove very useful for inclusion in your own scripts. A variety of composite widgets have been written and many are still being worked on. Many come bundled with your Tk-b# distribution, and some are simply posted to comp.lang.perl.tk. It is quite common to have composite widgets written in perl modules - usually in terms of the Tk widget primitives. Graphical examples of some of the composites discussed here can be seen by GUI browsers at:

    http://w4.lns.cornell.edu/~pvhp/ptk/ptkIMG.html

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