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<H2><A NAME="SECTION0018150000000000000000">
16.1.5 How Tk and Tkinter are Related</A>
</H2> 
<P>
<span class="note"><b class="label">Note:</b>
This was derived from a graphical image; the image will be used
      more directly in a subsequent version of this document.</span>

<P>
From the top down:
<DL>
<DT><STRONG>Your App Here (Python)</STRONG></DT>
<DD>A Python application makes a <tt class="module"><a href="module-Tkinter.html">Tkinter</a></tt> call.

<P>
</DD>
<DT><STRONG>Tkinter (Python Module)</STRONG></DT>
<DD>This call (say, for example, creating a button widget), is
implemented in the <em>Tkinter</em> module, which is written in
Python.  This Python function will parse the commands and the
arguments and convert them into a form that makes them look as if they
had come from a Tk script instead of a Python script.

<P>
</DD>
<DT><STRONG>tkinter (C)</STRONG></DT>
<DD>These commands and their arguments will be passed to a C function
in the <em>tkinter</em> - note the lowercase - extension module.

<P>
</DD>
<DT><STRONG>Tk Widgets (C and Tcl)</STRONG></DT>
<DD>This C function is able to make calls into other C modules,
including the C functions that make up the Tk library.  Tk is
implemented in C and some Tcl.  The Tcl part of the Tk widgets is used
to bind certain default behaviors to widgets, and is executed once at
the point where the Python <tt class="module"><a href="module-Tkinter.html">Tkinter</a></tt> module is
imported. (The user never sees this stage).

<P>
</DD>
<DT><STRONG>Tk (C)</STRONG></DT>
<DD>The Tk part of the Tk Widgets implement the final mapping to ...

<P>
</DD>
<DT><STRONG>Xlib (C)</STRONG></DT>
<DD>the Xlib library to draw graphics on the screen.
</DD>
</DL>

<P>

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	2	<html>
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	4	<link rel="STYLESHEET" href="lib.css" type='text/css' />
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	16	<meta name='aesop' content='information' />
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	18	</head>
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	22	<table align="center" width="100%" cellpadding="0" cellspacing="2">
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	25	href="tkinter-basic-mapping.html"><img src='../icons/previous.png'
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	54
	55	<H2><A NAME="SECTION0018150000000000000000">
	56	16.1.5 How Tk and Tkinter are Related</A>
	57	</H2>
	58	<P>
	59	<span class="note"><b class="label">Note:</b>
	60	This was derived from a graphical image; the image will be used
	61	more directly in a subsequent version of this document.</span>
	62
	63	<P>
	64	From the top down:
65	<DL>
66	<DT><STRONG>Your App Here (Python)</STRONG></DT>
67	<DD>A Python application makes a <tt class="module"><a href="module-Tkinter.html">Tkinter</a></tt> call.
68
69	<P>
70	</DD>
71	<DT><STRONG>Tkinter (Python Module)</STRONG></DT>
72	<DD>This call (say, for example, creating a button widget), is
73	implemented in the <em>Tkinter</em> module, which is written in
74	Python. This Python function will parse the commands and the
75	arguments and convert them into a form that makes them look as if they
76	had come from a Tk script instead of a Python script.
77
78	<P>
79	</DD>
80	<DT><STRONG>tkinter (C)</STRONG></DT>
81	<DD>These commands and their arguments will be passed to a C function
82	in the <em>tkinter</em> - note the lowercase - extension module.
83
84	<P>
85	</DD>
86	<DT><STRONG>Tk Widgets (C and Tcl)</STRONG></DT>
87	<DD>This C function is able to make calls into other C modules,
88	including the C functions that make up the Tk library. Tk is
89	implemented in C and some Tcl. The Tcl part of the Tk widgets is used
90	to bind certain default behaviors to widgets, and is executed once at
91	the point where the Python <tt class="module"><a href="module-Tkinter.html">Tkinter</a></tt> module is
92	imported. (The user never sees this stage).
93
94	<P>
95	</DD>
96	<DT><STRONG>Tk (C)</STRONG></DT>
97	<DD>The Tk part of the Tk Widgets implement the final mapping to ...
98
99	<P>
100	</DD>
101	<DT><STRONG>Xlib (C)</STRONG></DT>
102	<DD>the Xlib library to draw graphics on the screen.
103	</DD>
104	</DL>
105
106	<P>
107
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109	<div class='online-navigation'>
110	<p></p><hr />
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130	border='0' height='32' alt='Index' width='32' /></A></td>
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132	<div class='online-navigation'>
133	<b class="navlabel">Previous:</b>
134	<a class="sectref" rel="prev" href="tkinter-basic-mapping.html">16.1.4 Mapping Basic Tk</A>
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136	<a class="sectref" rel="parent" href="module-Tkinter.html">16.1 Tkinter </A>
137	<b class="navlabel">Next:</b>
138	<a class="sectref" rel="next" href="node722.html">16.1.6 Handy Reference</A>
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