O'Reilly logo

Practical Programming in Tcl and Tk, Fourth Edition by Brent Welch, Ken Jones

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 57. Tcl/Tk 8.3

Tcl/Tk 8.3 enhanced the capabilities of the canvas widget through the incorporation of the popular “dash” patch, as well as providing incremental improvements to other Tcl/Tk features.

Tcl 8.3 incorporated several key contributed patches, particularly for Tk. Jan Nijtmans's dash and image patches provided many handy features such as dashed lines on the canvas, improved image support, and more. Bringing these patches into the Tcl core not only provided new features usable in general Tcl scripts, but it allowed people to use several popular extensions and tools without the need for manually applying these patches and recompiling Tcl.

New File Manipulation Commands and Options

The new file channels command returns a list of open ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required