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itkvars(n) [incr Tk] itkvars(n)
itkvars - variables used by [incr Tk]
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.
When an interpreter is created, [incr Tk] initializes this variable to hold the
name of a directory containing the system library of [incr Tk] scripts. The ini-
tial 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.
itcl, itk, variables
itk 3.0 itkvars(n)
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