Tcl and Tk are scripting languages that have been around for more than a dozen years. This book's primary author, Brent B. Welch, was a student of Tcl's creator, John Ousterhout, and has worked with ...

In the first installment of this series, we mentioned three books as references for the use of the option database in its specific bindings to the Perl, Python, and Tcl languages (see the Resources ...

The canvas widget in the Tk graphical user interface toolkit is a free software tool used to present graphical data. Like the Tk text widget, which I discussed in my previous article, the canvas ...