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1 <?xml version="1.0" encoding="utf-8"?> |
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2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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3 <!-- This component and the accompanying materials are made available under the terms of the License |
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4 "Eclipse Public License v1.0" which accompanies this distribution, |
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5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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6 <!-- Initial Contributors: |
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7 Nokia Corporation - initial contribution. |
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8 Contributors: |
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9 --> |
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10 <!DOCTYPE concept |
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11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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12 <concept id="GUID-B526BA3A-14E4-53B4-9382-437475A1C8A4" xml:lang="en"><title>Patchable Constants</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
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13 <p>From version 9.3 of Symbian OS, DLLs can export certain constants. These |
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14 are referred to as patchable constants, and you can change their values when |
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15 the DLLs from which they are exported are incorporated into a ROM image. </p> |
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16 <p>This gives you the ability to create a variety of ROM images with constants |
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17 of different values without the need to change any source code nor to rebuild |
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18 the DLLs. </p> |
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19 <p>You change the value of a constant when you build your ROM image by adding |
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20 the patchdata keyword into your <filepath>.oby</filepath> file. </p> |
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21 <p>See : <xref href="GUID-49397CFD-955A-5DF6-9251-368C44224966.dita">Build tools |
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22 reference</xref> and <xref href="GUID-7FF363B0-B05F-5490-8D9C-59061B905381.dita">How |
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23 to build ROMs with variants</xref>. </p> |
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24 </conbody></concept> |