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<concept id="GUID-2662DE97-0C4C-5536-BA5C-B338C031FCF2" xml:lang="en"><title>Patchable
Constants: KApaUnloadRecognizersTimeout</title><prolog><metadata><keywords/></metadata></prolog><conbody>
<codeblock id="GUID-27EBFF8B-2D9A-551E-89B4-B67A95BD2849" xml:space="preserve">EXPORT_C extern const TInt KApaUnloadRecognizersTimeout = 10000000;</codeblock>
<table id="GUID-EDE0B55A-19BC-58A2-BA28-CB7271C438A8">
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<row>
<entry><p>Exported from: </p> </entry>
<entry><p> <filepath>ApServ.DLL</filepath>  </p> </entry>
</row>
<row>
<entry><p>Defined in: </p> </entry>
<entry><p> <filepath>                 .../mw/appsupport/appfw/apparchitecture/apserv/apsconstdata.cpp</filepath>  </p> </entry>
</row>
<row>
<entry><p>Purpose: </p> </entry>
<entry><p>APPARC can delete (unload) data recognizers in order to save memory.
This constant determines how long a data recognizer must remain unused before
it gets deleted </p> <p>This value operates in conjunction with <xref href="GUID-B1CEDB06-EFAA-55C3-9C5C-DB8F16F8ECBC.dita">KApaLoadDataRecognizersOnDemand</xref> which determines whether deletion is enabled or not. </p> <p>The value of <codeph>KApaLoadDataRecognizersOnDemand</codeph> is
zero, which means that, <b>by default, the feature is not switched on</b>.
The default value of this constant, <codeph>KApaUnloadRecognizersTimeout</codeph>,
is 10000000 milliseconds (ten seconds). </p> </entry>
</row>
</tbody>
</tgroup>
</table></conbody></concept>