June 2003
Intermediate to advanced
960 pages
20h 55m
English
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Chapter 51. Tcl 7.4/Tk 4.0
This chapter has notes about upgrading your application to Tcl 7.4 and Tk 4.0 from earlier versions of Tk such as Tk 3.6. This includes notable new features that you may want to take advantage of as well as things that need to be fixed because of incompatible changes.
Porting your scripts from any of the Tk version 3 releases is easy. Not that many things have changed. The sections in this chapter summarize what has changed in Tk 4.0 and what some of the new commands are.
wish
The wish shell no longer requires a -file (or -f) argument, so you can drop this from your script header lines. This flag is still valid but no longer necessary.
The class name of the application is set from the name of the script file instead of always ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.