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<TITLE>iwidgets2.2.0 User Commands - optionmenu</TITLE>
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<H1>iwidgets2.2.0 User Commands - optionmenu</H1>
<HR>
<PRE>
 
</PRE>
<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>
 
 
</PRE>
<H2>NAME</H2><PRE>
     optionmenu - Create and manipulate a option menu widget
 
 
</PRE>
<H2>SYNOPSIS</H2><PRE>
     <STRONG>optionmenu</STRONG> <EM>pathName</EM> ?<EM>options</EM>?
 
 
</PRE>
<H2>INHERITANCE</H2><PRE>
     itk::Widget &lt;- Labeledwidget &lt;- optionmenu
 
 
</PRE>
<H2>STANDARD OPTIONS</H2><PRE>
     <STRONG>activeBackground</STRONG>               <STRONG>activeBorderWidthactiveForegroundbackground</STRONG>
     <STRONG>borderWidth</STRONG>     <STRONG>cursor</STRONG>         <STRONG>disabledForegroundfont</STRONG>
     <STRONG>foreground</STRONG>      <STRONG>highlightColor</STRONG> <STRONG>highlightThicknessrelief</STRONG>
 
     See the "options" manual entry for details on  the  standard
     options.
 
 
</PRE>
<H2>INHERITED OPTIONS</H2><PRE>
     <STRONG>labelBitmap</STRONG>     <STRONG>labelFont</STRONG>      <STRONG>labelImage</STRONG>      <STRONG>labelMargin</STRONG>
     <STRONG>labelPos</STRONG>        <STRONG>labelText</STRONG>      <STRONG>labelVariable</STRONG>
 
     See the "LabeledWidget" manual  entry  for  details  on  the
     inherited options.
 
 
</PRE>
<H2>WIDGET-SPECIFIC OPTIONS</H2><PRE>
     Name:           <STRONG>clickTime</STRONG>
     Class:          <STRONG>ClickTime</STRONG>
     Command-Line Switch:           <STRONG>-clicktime</STRONG>
 
          Interval time, in msec, used to determine that a single
          mouse  click  has  occurred.  Used  to  post  menu on a
          "quick" mouse click.  <STRONG>Note</STRONG>:  changing  this  value  may
          cause  the  sigle-click functionality to not work prop-
          erly.  The default is 150 msec.
 
     Name:           <STRONG>command</STRONG>
     Class:          <STRONG>Command</STRONG>
     Command-Line Switch:           <STRONG>-command</STRONG>
 
          Specifies a Tcl command procedure to be evaluated  fol-
          lowing a  change in the current option menu selection.
 
     Name:           <STRONG>cyclicOn</STRONG>
     Class:          <STRONG>CyclicOn</STRONG>
     Command-Line Switch:           <STRONG>-cyclicon</STRONG>
 
          Turns on/off the 3rd mouse button capability. The value
          may  be  specified  in  any  of the forms acceptable to
          <STRONG>Tcl_GetBoolean</STRONG>.  This feature allows  the  right  mouse
          button  to  cycle  through  the popup menu list without
          poping it up. The right mouse button cycles through the
          menu in reverse order.  The default is true.
 
     Name:           <STRONG>items</STRONG>
     Class:          <STRONG>Items</STRONG>
     Command-Line Switch:           <STRONG>-items</STRONG>
 
          Sepcifies the list of items  to  be  displayed  in  the
          menu.
 
     Name:           <STRONG>popupCursor</STRONG>
     Class:          <STRONG>Cursor</STRONG>
     Command-Line Switch:           <STRONG>-popupcursor</STRONG>
 
          Specifies  the mouse cursor to be used  for  the  popup
          menu.  The value may have any of the  forms  acceptable
          to <STRONG>Tk_GetCursor</STRONG>.
 
     Name:           <STRONG>state</STRONG>
     Class:          <STRONG>State</STRONG>
     Command-Line Switch:           <STRONG>-state</STRONG>
 
          Specified one of two states for the optionmenu: <STRONG>normal</STRONG>,
          or  <STRONG>disabled</STRONG>.   If  the  optionmenu  is  disabled, then
          option menu selection is ignored.
 
     Name:           <STRONG>width</STRONG>
     Class:          <STRONG>Width</STRONG>
     Command-Line Switch:           <STRONG>-width</STRONG>
 
          Specifies a fixed size for the menu button label in any
          of  the  forms acceptable to Tk_GetPixels.  If the text
          is too small to fit in the label, the text is  clipped.
          Note:  Normally,  when  a  new  list is created, or new
          items are added to an existing list,  the  menu  button
          label  is  resized  automatically.  Setting this option
          overrides that functionality.
 
 
</PRE>
<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>
 
 
 
</PRE>
<H2>DESCRIPTION</H2><PRE>
     The <STRONG>optionmenu</STRONG> command creates an option  menu  widget  with
     options  to manage it.  An option menu displays a frame con-
     taining a label and a button.  A pop-up menu will allow  for
     the value of the button to change.
 
 
 
</PRE>
<H2>METHODS</H2><PRE>
     The <STRONG>optionmenu</STRONG> command creates a new Tcl command whose  name
     is  <EM>pathName</EM>.   This  command  may be used to invoke various
     operations on the widget.   It  has  the  following  general
     form:
 
          <EM>pathName</EM> <EM>option</EM> ?<EM>arg</EM> <EM>arg</EM> ...?
 
     <EM>Option</EM> and the <EM>arg</EM>s determine the exact behavior of the com-
     mand.
 
     Many of the widget commands for an optionmenu  take  as  one
     argument  an  indicator of which entry of the option menu to
     operate on.  These indicators are called <EM>index</EM>es and may  be
     specified in any of the following forms:
 
     <EM>number</EM>      Specifies  the  entry   numerically,   where   0
                 corresponds  to the top-most entry of the option
                 menu, 1 to the entry below it, and so on.
 
     <STRONG>end</STRONG>         Indicates the bottommost entry in the menu.   If
                 there  are  no  entries in the menu then zero is
                 returned.
 
     <STRONG>select</STRONG>      Returns the numerical  index  of  the  currently
                 selected option menu entry.  If no entries exist
                 in the menu, then -1 is returned.
 
     <EM>pattern</EM>     If the index doesn't satisfy one  of  the  above
                 forms  then  this  form  is  used.   <EM>Pattern</EM>  is
                 pattern-matched against the label of each  entry
                 in  the option menu, in order from the top down,
                 until a matching entry is found.  The  rules  of
                 <STRONG>Tcl_StringMatch</STRONG> are used.
 
     The following widget commands are  possible  for  optionmenu
     widgets:
 
 
 
</PRE>
<H2>WIDGET-SPECIFIC METHODS</H2><PRE>
     <EM>pathName</EM> <STRONG>cget</STRONG> <EM>option</EM>
          Returns the current value of the  configuration  option
          given  by  <EM>option</EM>.   <EM>Option</EM>  may have any of the values
          accepted by the <STRONG>optionmenu</STRONG> command.
 
     <EM>pathName</EM> <STRONG>configure</STRONG> ?<EM>option</EM>? ?<EM>value</EM> <EM>option</EM> <EM>value</EM> ...?
          Query  or  modify  the  configuration  options  of  the
          widget.   If  no  <EM>option</EM>  is  specified, returns a list
          describing all of the available  options  for  <EM>pathName</EM>
          (see  <STRONG>Tk_ConfigureInfo</STRONG> for information on the format of
          this list).  If <EM>option</EM> is specified with no <EM>value</EM>, then
          the  command  returns  a  list describing the one named
          option (this list will be identical to the  correspond-
          ing  sublist  of  the  value  returned  if no <EM>option</EM> is
          specified).  If one or more  <EM>option</EM> - <EM>value</EM>  pairs  are
          specified,  then  the command modifies the given widget
          option(s) to have the given value(s);  in this case the
          command  returns  an empty string.  <EM>Option</EM> may have any
          of the values accepted by the <STRONG>optionmenu</STRONG> command.
 
     <EM>pathName</EM> <STRONG>delete</STRONG> <EM>first</EM> ?<EM>last</EM>?
          Delete all of the option menu entries between <EM>first</EM> and
          <EM>last</EM> inclusive.  If <EM>last</EM> is omitted then it defaults to
          <EM>first</EM>.
 
     <EM>pathName</EM> <STRONG>disable</STRONG> <EM>index</EM>
          Disable the option menu entry specified by <EM>index</EM>. Disa-
          bling a menu item will prevent the user from being able
          to select this item from the menu.  This  only  effects
          the  state  of  the  item  in the menu, in other words,
          should the item be the  currently  selected  item,  the
          programmer  is  responsible for determining this condi-
          tion and taking appropriate action.
 
     <EM>pathName</EM> <STRONG>enable</STRONG> <EM>index</EM>
          Enable the option menu entry specified by <EM>index</EM>.   Ena-
          bling  a  menu item allows the user to select this item
          from the menu.
 
     <EM>pathName</EM> <STRONG>get</STRONG>
          Returns the currently selected option menu item.
 
     <EM>pathName</EM> <STRONG>index</STRONG> <EM>index</EM>
          Returns the numerical index corresponding to <EM>index</EM>.
 
     <EM>pathName</EM> <STRONG>insert</STRONG> <EM>index</EM> <EM>string</EM> ?<EM>string</EM>?
          Insert an item, or list of  items,  into  the  menu  at
          location <EM>index</EM>.
 
     <EM>pathName</EM> <STRONG>select</STRONG> <EM>index</EM>
          Select an item from the option menu to be displayed  as
          the currently selected item.
 
     <EM>pathName</EM> <STRONG>sort</STRONG> <EM>mode</EM>
          Sort the current menu in either <STRONG>ascending</STRONG>, or  <STRONG>descend-</STRONG>
          <STRONG>ing</STRONG>  order.   The  values <STRONG>increasing</STRONG>, or <STRONG>decreasing</STRONG> are
          also accepted.
 
 
 
</PRE>
<H2>COMPONENTS</H2><PRE>
     Name:           <STRONG>menuBtn</STRONG>
     Class:          <STRONG>Frame</STRONG>
 
          The menuBtn component is the option menu  button  which
          displays  the  current choice from the popup menu.  See
          the "frame" widget manual  entry  for  details  on  the
          menuBtn component item.
 
     Name:           <STRONG>menuLabel</STRONG>
     Class:          <STRONG>Label</STRONG>
 
          The menuLabel component is the label whose text is  the
          currently selected choice from the popup menu.  See the
          "label" widget manual entry for details on the  menuLa-
          bel component item.
 
     Name:           <STRONG>popupMenu</STRONG>
     Class:          <STRONG>Menu</STRONG>
 
          The popupMenu component is menu displayed  upon  selec-
          tion of the menu button.  The menu contains the choices
          for the option menu.   See  the  "menu"  widget  manual
          entry for details on the popupMenu component item.
 
 
 
</PRE>
<H2>EXAMPLE</H2><PRE>
           optionmenu .om -labelmargin 5 \
               -labelon true -labelpos w -labeltext "Operating System :" \
               -items {Unix VMS Linux OS/2 {Windows NT} DOS}
 
           .om insert end CPM {MS DOS} HP/UX
           .om sort ascending
           .om select Linux
 
           pack .om  -padx 10 -pady 10
 
 
 
</PRE>
<H2>ACKNOWLEDGEMENTS:</H2><PRE>
     Michael J. McLennan
 
          Borrowed some ideas (next &amp; previous) from OptionButton
          class.
 
     Steven B. Jaggers
 
          Provided an initial prototype in [incr Tcl].
 
     Bret Schuhmacher
 
          Helped with popup menu functionality.
 
 
</PRE>
<H2>AUTHOR</H2><PRE>
     Alfredo Jahn
 
 
</PRE>
<H2>KEYWORDS</H2><PRE>
     optionmenu, widget
 
 
 
 
</PRE>
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Line No.	Rev	Author	Line
1	578	markom	`<HTML>`
2			`<HEAD>`
3			`<TITLE>iwidgets2.2.0 User Commands - optionmenu</TITLE>`
4			`</HEAD>`
5			`<BODY BGCOLOR="#FFFFFF">`
6			`<H1>iwidgets2.2.0 User Commands - optionmenu</H1>`
7			`<HR>`
8			`<PRE>`
9
10			`</PRE>`
11			`<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>`
12
13
14			`</PRE>`
15			`<H2>NAME</H2><PRE>`
16			`optionmenu - Create and manipulate a option menu widget`
17
18
19			`</PRE>`
20			`<H2>SYNOPSIS</H2><PRE>`
21			`<STRONG>optionmenu</STRONG> <EM>pathName</EM> ?<EM>options</EM>?`
22
23
24			`</PRE>`
25			`<H2>INHERITANCE</H2><PRE>`
26			`itk::Widget <- Labeledwidget <- optionmenu`
27
28
29			`</PRE>`
30			`<H2>STANDARD OPTIONS</H2><PRE>`
31			`<STRONG>activeBackground</STRONG> <STRONG>activeBorderWidthactiveForegroundbackground</STRONG>`
32			`<STRONG>borderWidth</STRONG> <STRONG>cursor</STRONG> <STRONG>disabledForegroundfont</STRONG>`
33			`<STRONG>foreground</STRONG> <STRONG>highlightColor</STRONG> <STRONG>highlightThicknessrelief</STRONG>`
34
35			`See the "options" manual entry for details on the standard`
36			`options.`
37
38
39			`</PRE>`
40			`<H2>INHERITED OPTIONS</H2><PRE>`
41			`<STRONG>labelBitmap</STRONG> <STRONG>labelFont</STRONG> <STRONG>labelImage</STRONG> <STRONG>labelMargin</STRONG>`
42			`<STRONG>labelPos</STRONG> <STRONG>labelText</STRONG> <STRONG>labelVariable</STRONG>`
43
44			`See the "LabeledWidget" manual entry for details on the`
45			`inherited options.`
46
47
48			`</PRE>`
49			`<H2>WIDGET-SPECIFIC OPTIONS</H2><PRE>`
50			`Name: <STRONG>clickTime</STRONG>`
51			`Class: <STRONG>ClickTime</STRONG>`
52			`Command-Line Switch: <STRONG>-clicktime</STRONG>`
53
54			`Interval time, in msec, used to determine that a single`
55			`mouse click has occurred. Used to post menu on a`
56			`"quick" mouse click. <STRONG>Note</STRONG>: changing this value may`
57			`cause the sigle-click functionality to not work prop-`
58			`erly. The default is 150 msec.`
59
60			`Name: <STRONG>command</STRONG>`
61			`Class: <STRONG>Command</STRONG>`
62			`Command-Line Switch: <STRONG>-command</STRONG>`
63
64			`Specifies a Tcl command procedure to be evaluated fol-`
65			`lowing a change in the current option menu selection.`
66
67			`Name: <STRONG>cyclicOn</STRONG>`
68			`Class: <STRONG>CyclicOn</STRONG>`
69			`Command-Line Switch: <STRONG>-cyclicon</STRONG>`
70
71			`Turns on/off the 3rd mouse button capability. The value`
72			`may be specified in any of the forms acceptable to`
73			`<STRONG>Tcl_GetBoolean</STRONG>. This feature allows the right mouse`
74			`button to cycle through the popup menu list without`
75			`poping it up. The right mouse button cycles through the`
76			`menu in reverse order. The default is true.`
77
78			`Name: <STRONG>items</STRONG>`
79			`Class: <STRONG>Items</STRONG>`
80			`Command-Line Switch: <STRONG>-items</STRONG>`
81
82			`Sepcifies the list of items to be displayed in the`
83			`menu.`
84
85			`Name: <STRONG>popupCursor</STRONG>`
86			`Class: <STRONG>Cursor</STRONG>`
87			`Command-Line Switch: <STRONG>-popupcursor</STRONG>`
88
89			`Specifies the mouse cursor to be used for the popup`
90			`menu. The value may have any of the forms acceptable`
91			`to <STRONG>Tk_GetCursor</STRONG>.`
92
93			`Name: <STRONG>state</STRONG>`
94			`Class: <STRONG>State</STRONG>`
95			`Command-Line Switch: <STRONG>-state</STRONG>`
96
97			`Specified one of two states for the optionmenu: <STRONG>normal</STRONG>,`
98			`or <STRONG>disabled</STRONG>. If the optionmenu is disabled, then`
99			`option menu selection is ignored.`
100
101			`Name: <STRONG>width</STRONG>`
102			`Class: <STRONG>Width</STRONG>`
103			`Command-Line Switch: <STRONG>-width</STRONG>`
104
105			`Specifies a fixed size for the menu button label in any`
106			`of the forms acceptable to Tk_GetPixels. If the text`
107			`is too small to fit in the label, the text is clipped.`
108			`Note: Normally, when a new list is created, or new`
109			`items are added to an existing list, the menu button`
110			`label is resized automatically. Setting this option`
111			`overrides that functionality.`
112
113
114			`</PRE>`
115			`<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>`
116
117
118
119			`</PRE>`
120			`<H2>DESCRIPTION</H2><PRE>`
121			`The <STRONG>optionmenu</STRONG> command creates an option menu widget with`
122			`options to manage it. An option menu displays a frame con-`
123			`taining a label and a button. A pop-up menu will allow for`
124			`the value of the button to change.`
125
126
127
128			`</PRE>`
129			`<H2>METHODS</H2><PRE>`
130			`The <STRONG>optionmenu</STRONG> command creates a new Tcl command whose name`
131			`is <EM>pathName</EM>. This command may be used to invoke various`
132			`operations on the widget. It has the following general`
133			`form:`
134
135			`<EM>pathName</EM> <EM>option</EM> ?<EM>arg</EM> <EM>arg</EM> ...?`
136
137			`<EM>Option</EM> and the <EM>arg</EM>s determine the exact behavior of the com-`
138			`mand.`
139
140			`Many of the widget commands for an optionmenu take as one`
141			`argument an indicator of which entry of the option menu to`
142			`operate on. These indicators are called <EM>index</EM>es and may be`
143			`specified in any of the following forms:`
144
145			`<EM>number</EM> Specifies the entry numerically, where 0`
146			`corresponds to the top-most entry of the option`
147			`menu, 1 to the entry below it, and so on.`
148
149			`<STRONG>end</STRONG> Indicates the bottommost entry in the menu. If`
150			`there are no entries in the menu then zero is`
151			`returned.`
152
153			`<STRONG>select</STRONG> Returns the numerical index of the currently`
154			`selected option menu entry. If no entries exist`
155			`in the menu, then -1 is returned.`
156
157			`<EM>pattern</EM> If the index doesn't satisfy one of the above`
158			`forms then this form is used. <EM>Pattern</EM> is`
159			`pattern-matched against the label of each entry`
160			`in the option menu, in order from the top down,`
161			`until a matching entry is found. The rules of`
162			`<STRONG>Tcl_StringMatch</STRONG> are used.`
163
164			`The following widget commands are possible for optionmenu`
165			`widgets:`
166
167
168
169			`</PRE>`
170			`<H2>WIDGET-SPECIFIC METHODS</H2><PRE>`
171			`<EM>pathName</EM> <STRONG>cget</STRONG> <EM>option</EM>`
172			`Returns the current value of the configuration option`
173			`given by <EM>option</EM>. <EM>Option</EM> may have any of the values`
174			`accepted by the <STRONG>optionmenu</STRONG> command.`
175
176			`<EM>pathName</EM> <STRONG>configure</STRONG> ?<EM>option</EM>? ?<EM>value</EM> <EM>option</EM> <EM>value</EM> ...?`
177			`Query or modify the configuration options of the`
178			`widget. If no <EM>option</EM> is specified, returns a list`
179			`describing all of the available options for <EM>pathName</EM>`
180			`(see <STRONG>Tk_ConfigureInfo</STRONG> for information on the format of`
181			`this list). If <EM>option</EM> is specified with no <EM>value</EM>, then`
182			`the command returns a list describing the one named`
183			`option (this list will be identical to the correspond-`
184			`ing sublist of the value returned if no <EM>option</EM> is`
185			`specified). If one or more <EM>option</EM> - <EM>value</EM> pairs are`
186			`specified, then the command modifies the given widget`
187			`option(s) to have the given value(s); in this case the`
188			`command returns an empty string. <EM>Option</EM> may have any`
189			`of the values accepted by the <STRONG>optionmenu</STRONG> command.`
190
191			`<EM>pathName</EM> <STRONG>delete</STRONG> <EM>first</EM> ?<EM>last</EM>?`
192			`Delete all of the option menu entries between <EM>first</EM> and`
193			`<EM>last</EM> inclusive. If <EM>last</EM> is omitted then it defaults to`
194			`<EM>first</EM>.`
195
196			`<EM>pathName</EM> <STRONG>disable</STRONG> <EM>index</EM>`
197			`Disable the option menu entry specified by <EM>index</EM>. Disa-`
198			`bling a menu item will prevent the user from being able`
199			`to select this item from the menu. This only effects`
200			`the state of the item in the menu, in other words,`
201			`should the item be the currently selected item, the`
202			`programmer is responsible for determining this condi-`
203			`tion and taking appropriate action.`
204
205			`<EM>pathName</EM> <STRONG>enable</STRONG> <EM>index</EM>`
206			`Enable the option menu entry specified by <EM>index</EM>. Ena-`
207			`bling a menu item allows the user to select this item`
208			`from the menu.`
209
210			`<EM>pathName</EM> <STRONG>get</STRONG>`
211			`Returns the currently selected option menu item.`
212
213			`<EM>pathName</EM> <STRONG>index</STRONG> <EM>index</EM>`
214			`Returns the numerical index corresponding to <EM>index</EM>.`
215
216			`<EM>pathName</EM> <STRONG>insert</STRONG> <EM>index</EM> <EM>string</EM> ?<EM>string</EM>?`
217			`Insert an item, or list of items, into the menu at`
218			`location <EM>index</EM>.`
219
220			`<EM>pathName</EM> <STRONG>select</STRONG> <EM>index</EM>`
221			`Select an item from the option menu to be displayed as`
222			`the currently selected item.`
223
224			`<EM>pathName</EM> <STRONG>sort</STRONG> <EM>mode</EM>`
225			`Sort the current menu in either <STRONG>ascending</STRONG>, or <STRONG>descend-</STRONG>`
226			`<STRONG>ing</STRONG> order. The values <STRONG>increasing</STRONG>, or <STRONG>decreasing</STRONG> are`
227			`also accepted.`
228
229
230
231			`</PRE>`
232			`<H2>COMPONENTS</H2><PRE>`
233			`Name: <STRONG>menuBtn</STRONG>`
234			`Class: <STRONG>Frame</STRONG>`
235
236			`The menuBtn component is the option menu button which`
237			`displays the current choice from the popup menu. See`
238			`the "frame" widget manual entry for details on the`
239			`menuBtn component item.`
240
241			`Name: <STRONG>menuLabel</STRONG>`
242			`Class: <STRONG>Label</STRONG>`
243
244			`The menuLabel component is the label whose text is the`
245			`currently selected choice from the popup menu. See the`
246			`"label" widget manual entry for details on the menuLa-`
247			`bel component item.`
248
249			`Name: <STRONG>popupMenu</STRONG>`
250			`Class: <STRONG>Menu</STRONG>`
251
252			`The popupMenu component is menu displayed upon selec-`
253			`tion of the menu button. The menu contains the choices`
254			`for the option menu. See the "menu" widget manual`
255			`entry for details on the popupMenu component item.`
256
257
258
259			`</PRE>`
260			`<H2>EXAMPLE</H2><PRE>`
261			`optionmenu .om -labelmargin 5 \`
262			`-labelon true -labelpos w -labeltext "Operating System :" \`
263			`-items {Unix VMS Linux OS/2 {Windows NT} DOS}`
264
265			`.om insert end CPM {MS DOS} HP/UX`
266			`.om sort ascending`
267			`.om select Linux`
268
269			`pack .om -padx 10 -pady 10`
270
271
272
273			`</PRE>`
274			`<H2>ACKNOWLEDGEMENTS:</H2><PRE>`
275			`Michael J. McLennan`
276
277			`Borrowed some ideas (next & previous) from OptionButton`
278			`class.`
279
280			`Steven B. Jaggers`
281
282			`Provided an initial prototype in [incr Tcl].`
283
284			`Bret Schuhmacher`
285
286			`Helped with popup menu functionality.`
287
288
289			`</PRE>`
290			`<H2>AUTHOR</H2><PRE>`
291			`Alfredo Jahn`
292
293
294			`</PRE>`
295			`<H2>KEYWORDS</H2><PRE>`
296			`optionmenu, widget`
297
298
299
300
301			`</PRE>`
302			`</BODY>`
303			`</HTML>`