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<h1>WML Tasks</h1>
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<p class="intro">A task specifies what action to perform when an event, like entering a card or selecting
a link, occurs.</p>
<a name="go"></a>
<hr />
<h2>Go Task</h2>
<p>The <go> task represents the action of switching to a new card.</p>
<table width="100%" border="1" class="ex" cellspacing="0">
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<pre><?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<p>
<anchor>
Go To Test
<go href="test.wml"/>
</anchor>
</p>
</card>
</wml></pre>
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<hr />
<a name="prev"></a><h2>Prev Task</h2>
<p>The <prev> task represents the action of going back to the previous
card.</p>
<table width="100%" border="1" class="ex" cellspacing="0">
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<td>
<pre><?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<p>
<anchor>
Previous Page
<prev/>
</anchor>
</p>
</card>
</wml></pre>
</td>
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</table>
<br />
<hr />
<a name="refresh"></a><h2>Refresh Task</h2>
<p>The <refresh> task refreshes some specified card variables. If any of
the variables are shown on the screen, this task also refreshes the screen.</p>
<table width="100%" border="1" class="ex" cellspacing="0">
<tr>
<td>
<p>The example below uses an <anchor> tag to add a "Refresh
this page" link to the card. When the user clicks on the link, he or
she refreshes the page and the value of the variable x will be set to 30:</p>
<pre><?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<p>
<anchor>
Refresh this page
<go href="thispage.wml"/>
<refresh>
<setvar name="x" value="30"/>
</refresh>
</anchor>
</p>
</card>
</wml></pre>
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<a name="noop"></a><h2>Noop Task</h2>
<p>The <noop> task says that nothing should be done (noop stands for
"no operation"). This tag is used to override deck-level elements.</p>
<p>The <do> tag can be used to activate a task when the user clicks on a
word/phrase on the screen.</p>
<table width="100%" border="1" class="ex" cellspacing="0">
<tr>
<td>
<p>The example below uses a <do> tag to add a "Back" link
to the card. When the user clicks on the "Back" link, he or she
should be taken back to the previous card. But the <noop> tag
prevents this operation; when the user clicks on the "Back" link
nothing will happen: </p>
<pre><?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
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