itkvars(n) [incr Tk] itkvars(n)______________________________________________________________________________NAMEitkvars - variables used by [incr Tk]
_________________________________________________________________DESCRIPTION
The following global variables are created and managed automatically by
the [incr Tk] library. Except where noted below, these variables
should normally be treated as read-only by application-specific code
and by users.
itk::library
When an interpreter is created, [incr Tk] initializes this vari‐
able to hold the name of a directory containing the system
library of [incr Tk] scripts. The initial value of itk::library
is set from the ITK_LIBRARY environment variable if it exists,
or from a compiled-in value otherwise.
When [incr Tk] is added to an interpreter, it executes the
script "init.itk" in this directory. This script, in turn,
looks for other script files with the name "init.xxx". Mega-
widget libraries will be automatically initialized if they
install a script named "init.xxx" in this directory, where "xxx"
is the name of the mega-widget library. For example, the
[incr Widgets] library installs the script "init.iwidgets" in
this directory. This script establishes the "iwidgets" names‐
pace, and sets up autoloading for all [incr Widgets] commands.
KEYWORDS
itcl, itk, variables
itk 3.0 itkvars(n)
