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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

<concept id="GUID-C29FE12C-C412-40A8-A067-27C63A519D71" xml:lang="en"><title>Choice

list API</title><shortdesc>The Choice list API is used for providing a vertical list of selectable

items. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>

<fig id="GUID-00782901-3982-4482-82E0-EE5E527A82D7">

<title>Choice list</title>

<image href="GUID-FD52DFC5-03CD-4C7A-B118-0D5C90D99F1A_d0e71700_href.png" scale="40" placement="inline"/>

</fig>

<p>You can use the Choice list API in all GUI applications. It is a library

API that provides an interface for constructing and using the choice list

UI component.</p>

<p>You can use the choice list in two ways, with or without the current selection. </p>

<p>If the current selection is displayed, there is an label showing the currently

selected item and an arrow button indicating that a list is available. </p>

<p>If without current selection, the choice list must be created with providing

a generic button to the list. This button will be used to open the list for

selection. The label of the button is defined by the client application when

creating the button and will not be changed by the choice list.</p>

<p>For implementation information, see <xref href="GUID-845F3021-E3ED-4676-916A-75740886DCBD.dita">Providing

a vertical list of selectable items</xref>.</p>

<p>For the Choice list API classes and header files, see Classes and definitions.</p>

<section id="GUID-9E034968-0060-419B-A945-70FEDD5625CB"><title>Changes and release information</title><p>The Choice list

API is an SDK API and first released in S60 5th Edition. </p></section>

<section id="GUID-A8BD46F9-8514-45AD-A413-AEF4F27B23F0"><title>Error handling</title><p>The

leave mechanism of the Symbian platform environment is used to handle memory

exhaustion.</p></section>

</conbody><related-links>

<linklist><title>Related APIs</title>

<link href="GUID-F3EE1000-71A6-4D48-A30B-3D2357BF20FB.dita"><linktext>Generic button

API</linktext></link>

</linklist>