40 lines
1.7 KiB
HTML
40 lines
1.7 KiB
HTML
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<HTML><HEAD><TITLE>Tk Built-In Commands - tkvars manual page</TITLE></HEAD>
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<BODY bgcolor = #c3c3ff>
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<H2><IMG ALIGN=BOTTOM SRC="./Img/ManPageBlue.gif"> tkvars</H2>
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<I>Variables used or set by Tk</I><P><IMG ALIGN=TOP SRC="./Img/line-red.gif">
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<H3><A NAME="M2">DESCRIPTION</A></H3>
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The following STk variables are either set or used by Tk at various times
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in its execution:
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<P>
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<DL>
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<DT><A NAME="M3"><B>*tk-patch-level*</B></A><DD>
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Contains a string which represent the current patch level for Tk.
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The patch level is incremented for each new release or patch, and
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it uniquely identifies an official version of Tk.
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<P>
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<DT><A NAME="M4"><B>*tk-strict-motif*</B></A><DD>
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This variable is set to <B>#f</B> by default.
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If an application sets it to a true value, then Tk attempts to adhere as
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closely as possible to Motif look-and-feel standards.
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For example, active elements such as buttons and scrollbar
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sliders will not change color when the pointer passes over them.
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<P>
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<DT><A NAME="M5"><B>*tk-version*</B></A><DD>
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Tk sets this variable in the interpreter for each
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application. The value of this variable is a string which holds the
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current version number of the Tk library in the form
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<I>major</I>.<I>minor</I>. <I>Major</I> and <I>minor</I> are integers.
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The major version number increases in any Tk release that includes
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changes that are not backward compatible (i.e. whenever existing Tk
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applications and scripts may have to change to work with the new
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release). The minor version number increases with each new release of
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Tk, except that it resets to zero whenever the major version number
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changes.
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<P>
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</DL>
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<P><IMG ALIGN=TOP SRC="./Img/line-red.gif">
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<A HREF=./STk-hlp.html><IMG ALIGN=BOTTOM SRC="./Img/RefBookBlue.gif"> Back to the <B>STk</B> main page</A>
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</BODY></HTML>
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