Object Oriented Programming with incr Tcl
Tcl/Tk provides an interactive development environment for building Graphical User Interface applications with incredible speed. Tcl/Tk applications look like they were constructed with the Motif toolkit, but they can be written in a fraction of the time. This PDF covers the following topics related to Tcl/Tk : Objects and Classes, Inheritance, Namespaces, Interactive Development, Autoloading, Adding C code to [INCR TCL] Classes, Simple Example, Inheritance and Composition, Building Applications with Mega-Widgets.
Author(s): Michael J. McLennan
118 Pages 
Tcl is a scripting language created by John Ousterhout. It can be used interactively, or by running scripts (programs) which can use a package system for structuring, hence allowing to do much with little code. This book discusses the GUI toolkit Tk in considerable extent, even though it's not in the title. For most users, Tcl/Tk form a single conceptual entity.
Author(s): wikibooks.org
NA Pages
This note describes advanced TCL programming techniques that support sophisticated applications.
Author(s): Yuanzhu Chen
186 Pages
