Symbian3/PDK/Source/GUID-30DBE93F-1255-533F-9B02-4E19E248D065.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Fri, 22 Jan 2010 18:26:19 +0000
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permissions -rw-r--r--
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-30DBE93F-1255-533F-9B02-4E19E248D065" xml:lang="en"><title>GUIApp:
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GUI Application with C Engine</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<section><title>Download</title> <p>Click on the following link to download
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the example: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/zips/guid-325cf83e-0845-463d-852a-b5b1a7b77792.zip" scope="external">GUIApp.zip</xref></p><p>Click: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/guid-325cf83e-0845-463d-852a-b5b1a7b77792.html" scope="peer">browse</xref> to view the example code. </p> </section>
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<section><title>Description</title> <p> <filepath>GUIApp</filepath> is an
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example of an GUI application whose engine is written in C. </p> <p>The engine
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is a DLL, produced by project <filepath>GUIAppEng.mmp</filepath>, was taken
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from the FreeBSD <codeph>cksum</codeph> (checksum) utility. The only code
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in the project which was not written in C is the following function, defined
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in file <filepath>GUIAppEng.cpp</filepath>: </p> <codeblock id="GUID-A1A7B8D7-9261-5713-81B9-BA3BDD6A0E36" xml:space="preserve">EXPORT_C TInt E32Dll(TDllReason)</codeblock> <p>This fulfils the requirement that all DLLs need an entry point called <codeph>E32Dll()</codeph>. </p> </section>
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<section><title>Usage</title> <p>The program is operated using the following
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commands on the <systemoutput>File</systemoutput> menu: </p> <ul>
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<li id="GUID-05CD4465-FCE0-5D74-BA49-037116D0D61C"><p> <systemoutput>Calculate
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Checksum...</systemoutput> brings up a file selection dialog. Select a file
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and the program will calculate and show the file's checksum. </p> </li>
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<li id="GUID-ABB1C24C-F234-5295-B782-525A49999CE0"><p> <systemoutput>View
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Checksums...</systemoutput> shows a list of all the files which have been
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selected, and their checksums. </p> </li>
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</ul> </section>
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</conbody></concept>