tkvars(3Tk)							   tkvars(3Tk)

NAME    [Toc]    [Back]

     tkvars - Variables	used or	set by Tk

DESCRIPTION    [Toc]    [Back]

     The following Tcl variables are either set	or used	by Tk at various times
     in	its execution:

     tk_library	    This variable holds	the name of a directory	containing a
		    library of Tcl scripts related to Tk.  These scripts
		    include an initialization file that	is normally processed
		    whenever a Tk application starts up, plus other files
		    containing procedures that implement default behaviors for
		    widgets.  If the variable isn't already set	when a Tk     |
		    application	is created, Tk sets it from the	TK_LIBRARY    |
		    environment	variable, if one exists, or else from a	      |
		    default value compiled into	Tk.  The variable can be      |
		    modified by	an application to switch to a different	      |
		    library.

     tk_patchLevel  Contains a decimal integer giving the current patch	level
		    for	Tk.  The patch level is	incremented for	each new
		    release or patch, and it uniquely identifies an official
		    version of Tk.

     tkPriv	    This variable is an	array containing several pieces	of    |
		    information	that are private to Tk.	 The elements of      |
		    tkPriv are used by Tk library procedures and default
		    bindings.  They should not be accessed by any code outside
		    Tk.

     tk_strictMotif This variable is set to zero by default.  If an
		    application	sets it	to one,	then Tk	attempts to adhere as
		    closely as possible	to Motif look-and-feel standards.  For
		    example, active elements such as buttons and scrollbar
		    sliders will not change color when the pointer passes over
		    them.

     tk_version	    Tk sets this variable in the interpreter for each
		    application.  The variable holds the current version
		    number of the Tk library in	the form major.minor.  Major
		    and	minor are integers.  The major version number
		    increases in any Tk	release	that includes changes that are
		    not	backward compatible (i.e. whenever existing Tk
		    applications and scripts may have to change	to work	with
		    the	new release).  The minor version number	increases with
		    each new release of	Tk, except that	it resets to zero
		    whenever the major version number changes.







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tkvars(3Tk)							   tkvars(3Tk)

KEYWORDS    [Toc]    [Back]

     variables,	version


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