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- tkvars(n) Tk Commands 3.3
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- _________________________________________________________________
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- NAME
- tkvars - Variables used or set by Tk
- _________________________________________________________________
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- DESCRIPTION
- The following Tcl variables are either set or used by Tk at
- various times in its execution:
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- tk_library Tk sets this variable hold the name of a
- directory containing a library of Tcl scripts
- related to Tk. These scripts include an ini-
- tialization file that is normally processed
- whenever a Tk application starts up, plus
- other files containing procedures that imple-
- ment default behaviors for widgets. The |
- value of this variable is taken from the |
- TK_LIBRARY environment variable, if one |
- exists, or else from a default value compiled |
- into Tk.
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- 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 ver- |
- sion of Tk.
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- tk_priv This variable is an array containing several
- pieces of information that are private to Tk.
- The elements of tk_priv are used by Tk
- library procedures and default bindings.
- They should not be accessed by any code out-
- side Tk.
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- 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.
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- 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 _m_a_j_o_r._m_i_n_o_r. _M_a_j_o_r and _m_i_n_o_r 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
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- Tk 1
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- tkvars(n) Tk Commands 3.3
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- 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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- tkVersion Has the same value as tk_version. This vari-
- able is obsolete and will be deleted soon.
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- KEYWORDS
- variables, version
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- Tk 2
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